JP4523217B2 - Plate member conveying and holding apparatus and method, and component mounting apparatus - Google Patents

Plate member conveying and holding apparatus and method, and component mounting apparatus Download PDF

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Publication number
JP4523217B2
JP4523217B2 JP2001528446A JP2001528446A JP4523217B2 JP 4523217 B2 JP4523217 B2 JP 4523217B2 JP 2001528446 A JP2001528446 A JP 2001528446A JP 2001528446 A JP2001528446 A JP 2001528446A JP 4523217 B2 JP4523217 B2 JP 4523217B2
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Japan
Prior art keywords
rail
holding member
substrate
shaped holding
shaped
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Expired - Fee Related
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Japanese (ja)
Inventor
朗 壁下
修 奥田
直人 三村
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to PCT/JP2000/003212 priority patent/WO2001026440A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0061Tools for holding the circuit boards during processing; handling transport of printed circuit boards
    • H05K13/0069Holders for printed circuit boards
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0061Tools for holding the circuit boards during processing; handling transport of printed circuit boards
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04Mounting of components, e.g. of leadless components
    • H05K13/0404Pick-and-place heads or apparatus, e.g. with jaws
    • H05K13/0411Pick-and-place heads or apparatus, e.g. with jaws having multiple mounting heads
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.

Description

【0001】
(技術分野)
本発明は、搬入された板状部材を保持するとともに、印刷や加工や部品実装などの所定の作業終了後に保持された板状部材を搬出可能な板状部材の搬送保持装置及びその方法に関する。特に、本発明は、板状部材の一例として部品を実装する基板を使用し、該基板に部品を実装するとき、上記基板を保持する基板搬送保持装置として好適な板状部材の搬送保持装置を備えた部品実装装置などの作業装置に関する。
【0002】
(背景技術)
近年、電子回路基板のサイズは携帯電話を初めとする小型タイプからサーバーコンピュータ等の大型基板まで幅広く存在し、これらを最も効率的に最短タクトで生産することを要求されている。また、実装装置の形態としては、電子部品を吸着する作業ヘッドをXYロボットを用いて移動し、電子部品を実装するロボット型実装装置が主流になりつつある。
【0003】
以下、従来の電子部品実装装置の一例について図35を参照しながら説明する。
【0004】
図中、1201、1202、1203はテーピング部品の部品供給部、1204はトレイ収納部品の部品供給部、1205、1206は電子部品を実装する前に作業ヘッドでの吸着姿勢を撮像する認識カメラ、1207は複数種類の電子部品に適した複数種類のノズルを収納するノズルステーション、1208は電子回路基板1211を部品実装作業領域内に搬入するローダー、1209は電子回路基板1212を支持するサポートレール1209a,1209bより構成される基板搬送保持装置であり、この基板搬送保持装置1209は、適応する最大サイズの電子回路基板のサイズに合わせて一方のサポートレール1209bが1210の位置まで広がるように構成されている。1213は部品実装作業領域内から電子回路基板1211を搬出するアンローダーである。
【0005】
従来の電子部品実装機での動作を、図35を用いて説明する。電子回路基板1211は、ローダー1208を介して、サポートレール1209a,1209bにて支持されている。図示していない、作業ヘッドは、XYロボットにより図35中にAにより示される経路を移動するものであって、作業ヘッドに取り付けられた部品吸着ノズルによりテーピング部品供給部1201から電子部品を吸着し、作業ヘッドが移動して認識カメラ1205にて吸着した部品の吸着姿勢を計測され、位置補正計算後、作業ヘッドの移動により電子回路基板1212上に、吸着され認識された部品が位置補正されつつ実装される。一方、電子部品の部品供給部は実装装置の部品実装作業領域の後方にも1203,1204で示されるように用意されている。テーピング部品供給部1203或いはトレイ収納部品1204から吸着した電子部品も認識カメラ1206で撮像され、吸着位置姿勢を認識して、位置補正計算後、電子回路基板1212上に、吸着され認識された部品がノズルにより装着される。この経路はBで示されている。
【0006】
近年、電子回路基板は小型タイプから大型サイズまで各種様々であり、電子部品実装装置としては、最大サイズの基板までを支持できるサイズでサポートレール1209a,1209bを設計している。このため、サポートレール1209a,1209bは実装装置前方側のサポートレール1209aを固定にし、後方のサポートレール1209bを基板サイズにより移動できるようになっている。これによって、後方の部品供給部1203,1204はサポートレール1209bの最後方位置1210のさらに後方に設置される。このことは、小型基板においては、経路Bで示されるように電子部品の吸着から認識を経て装着までの作業ヘッドの移動距離が大きくなって移動時間が長時間となり、装着タクトタイムの短縮に大きな妨げとなっている。電子部品の実装コストを下げるには装着タクトタイムを短縮する必要があるが、この装着タクトタイムは、これらの電子部品吸着工程、認識工程、装着工程の3工程の距離を最短にする必要がある。これら3工程の距離を最短にするため、供給される電子部品に応じてサポートレール1209a,1209b及びサポートレール1209a,1209b下に配置されて下方向から電子回路基板を支えるサポートピンやサポートピンを配置するサポートプレートを一体的に移動する方式もあるが、サポートピン及びサポートプレートを移動する機構が必要となるとともに、それらの移動量そのものが少なく、効果があまりない。また、部品実装中の電子回路基板を、必要以上に移動することは実装品質を考慮すると良い方法ではない。
【0007】
従って、本発明の目的は、上記問題を解決することにあって、板状部材の大きさに関わらず、板状部材が搬送位置に搬入されたのち所望の作業位置まで移動させて保持させることができて、所望の作業を効率よく行うことができるとともに、所望の作業終了後は搬送位置に移動させたのち搬出させることができて、板状部材の搬入、保持、搬出を効率よく迅速に行うことができる板状部材の搬送保持装置及びその方法を提供することにある。
【0009】
(発明の開示)
本発明は、上記目的を達成するため、以下のように構成している。
【0010】
本発明の第1態様によれば、板状部材を搬送する搬送部材をそれぞれ備えて上記板状部材を搬入及び搬出可能及び保持可能な第1レール状保持部材及び第2レール状保持部材と、
上記第1レール状保持部材及び第2レール状保持部材の長手方向に直交する方向に延在して配置され、上記第2レール状保持部材の移動、又は、上記第1レール状保持部材及び第2レール状保持部材を平行移動させるボールネジ軸と、
上記ボールネジ軸を回転駆動する回転駆動装置と、
上記第1レール状保持部材に相対回転可能に取り付けられかつ上記ネジ軸に螺合する第1ナットと、
上記第2レール状保持部材に固定的に取り付けられかつ上記ネジ軸に螺合する第2ナットと、
上記第1レール状保持部材の上記第1ナットに係合して上記第1ナットの回転を停止させる動作と、上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容する動作とを択一的に選択可能な選択ロック機構とを備え、
上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転することにより、上記第2レール状保持部材のみが移動して、上記第1レール状保持部材に対する上記第2レール状保持部材の位置を変更する一方、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動する板状部材の搬送保持装置を提供する。
【0011】
本発明の第2態様によれば、上記回転駆動装置は、上記ネジ軸を正逆回転駆動する1個のモータである第1態様に記載の板状部材の搬送保持装置を提供する。
【0012】
本発明の第3態様によれば、上記ネジ軸に螺合する上記第2ナットが、上記第2レール状保持部材に固定的に取り付けられる代わりに、上記第2レール状保持部材に相対回転可能に取り付けられるとともに、上記選択ロック機構は、上記第2レール状保持部材の上記第2ナットに係合して上記第2ナットの回転を停止させる動作と、上記第2レール状保持部材の上記第2ナットとの係合を解除して上記第2ナットの回転を許容する動作とを択一的に選択可能とし、
上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転させて上記第1レール状保持部材に対して上記第2レール状保持部材のみ移動させるか、又は、上記選択ロック機構が上記第2レール状保持部材の上記第2ナットとの係合を解除して上記第2ナットの上記第2レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転させて上記第2レール状保持部材に対して上記第1レール状保持部材のみ移動させることにより、上記第1レール状保持部材と上記第2レール状保持部材との間の間隔寸法を変更する一方、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合するとともに上記第2レール状保持部材の上記第2ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動するようにした第1又は2態様に記載の板状部材の搬送保持装置を提供する。
【0013】
本発明の第4態様によれば、上記ネジ軸と平行に上記各レール状保持部材の軸方向に直交する方向に延在して配置され上記2本のレール状保持部材の平行移動を案内する直線ガイド機構をさらに備えるようにした第1〜3いずれかの態様に記載の板状部材の搬送保持装置を提供する。
【0014】
本発明の第5態様によれば、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動することにより、まず、上記第1レール状保持部材を基準位置に位置決めしたのち、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち上記ネジ軸を回転することにより、上記第2レール状保持部材のみが移動して、上記基準位置の上記第1レール状保持部材に対する上記第2レール状保持部材の位置を変更して上記第1レール状保持部材と上記第2レール状保持部材との間の間隔を調整し、
その後、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が、上記調整された間隔を保持した状態で、一体的に平行移動するようにした第1〜4いずれかの態様に記載の板状部材の搬送保持装置を提供する。
【0015】
本発明の第6態様によれば、上記板状部材を上記搬送部材で上記第1レール状保持部材と上記第2レール状保持部材との間で搬送するとき上記板状部材に当接して上記板状部材を上記所定位置に位置決め保持するストッパーをさらに備えるようにした第1〜5のいずれかの態様に記載の板状部材の搬送保持装置を提供する。
【0016】
本発明の第7態様によれば、上記板状部材は、部品を実装すべき基板であり、第1〜6のいずれかの態様に記載の上記板状部材の搬送保持装置は、上記部品を上記基板に実装する部品実装装置内において上記基板を搬送保持する基板搬送保持装置として2台使用され、上記部品実装装置内の部品実装を行う部品実装作業領域を上記基板を搬送する方向沿いに第1実装領域と第2実装領域とに分割し、上記1台の板状部材の搬送保持装置を上記第1実装領域内の第1基板搬送保持装置として使用するとともに、他の1台の板状部材の搬送保持装置を上記第2実装領域内の第2基板搬送保持装置として使用し、各実装領域内で各基板搬送保持装置を独立的に駆動するようにした板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0017】
本発明の第8態様によれば、上記第1実装領域の上記第1基板搬送保持装置の第1部品実装位置と、上記第2実装領域の上記第2基板搬送保持装置の第2部品実装位置とが斜めに互いに対向するように千鳥状に配置された、第7態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0018】
本発明の第9態様によれば、上記第1実装領域の上記第2実装領域とは反対側の端縁部に、上記基板に実装すべき上記部品が供給される第1部品供給部を配置するとともに、上記第1部品供給部の近傍に第1部品認識部を配置するとともに、
上記第2実装領域の上記第1実装領域とは反対側の端縁部に、上記基板に実装すべき上記部品が供給される第2部品供給部を配置するとともに、上記第2部品供給部の近傍に第2部品認識部を配置するようにした第7又は8態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0019】
本発明の第10態様によれば、上記第1部品供給部、上記第1部品認識部、上記第2部品供給部、上記第2部品認識部が上記第1実装領域と上記第2実装領域とを併せた上記部品実装作業領域の全体の中心に対して大略点対称配置されている第9態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0020】
本発明の第11態様によれば、上記第1部品供給部と上記第1部品認識部との距離を考慮して、上記第1実装領域の上記第1基板搬送保持装置の第1部品実装位置を決定するとともに、上記第2部品供給部と上記第2部品認識部との距離を考慮して、上記第2実装領域の上記第2基板搬送保持装置の第2部品実装位置を決定するようにした第9又は10態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0021】
本発明の第12態様によれば、上記第1部品供給部及び上記第2部品供給部のそれぞれは、上記基板に実装すべき上記部品をテープ状に収納保持されたテーピング部品を収納する部品供給部である第9〜11のいずれかの態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0022】
本発明の第13態様によれば、上記第1実装領域の上記第1基板搬送保持装置の第1部品実装位置と、上記第2実装領域の上記第2基板搬送保持装置の第2部品実装位置とが斜めに対向するように千鳥状に配置されるとともに、上記第1実装領域の上記第1部品実装位置以外の位置に、トレーに上記基板に実装すべき上記部品が収納されたトレー式部品供給部を配置するとともに、上記第2実装領域の上記第2部品実装位置に、トレーに上記基板に実装すべき上記部品が収納された別のトレー式部品供給部が配置されるようにした、第7〜12のいずれかの態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0023】
本発明の第14態様によれば、上記基板を上記搬送部材で上記第1レール状保持部材と上記第2レール状保持部材との間で搬送するとき上記基板に当接して上記基板を上記第1実装領域と上記第2実装領域とを併せた上記部品実装作業領域の全体の中心付近に位置決め保持するストッパーを、上記各基板搬送保持装置がさらに備えるようにした、第7〜13のいずれかの態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0024】
本発明の第15態様によれば、上記第1基板搬送保持装置と上記第2基板搬送保持装置とが一直線状に隣接させる位置に位置したとき、上記基板が上記第1基板搬送保持装置から上記第2基板搬送保持装置に向けて搬送可能な第7〜14のいずれか態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0025】
本発明の第16態様によれば、各基板搬送保持装置に上記基板を搬入するローダーと、各基板搬送保持装置から上記基板を搬出するアンローダーとをさらに備え、上記第1基板搬送保持装置と上記第2基板搬送保持装置とは、それぞれ独立して、上記ローダーから上記基板の搬入及び上記アンローダーに対する上記基板の搬出動作が行えるようにした、第7〜14のいずれかの態様に記載の板状部材の搬送保持装置を備えた部品実装装置を提供する。
【0026】
本発明の第17態様によれば、板状部材を搬入及び搬出可能及び保持可能な第1レール状保持部材及び第2レール状保持部材とを備える板状部材搬送保持装置において、上記第1レール状保持部材及び第2レール状保持部材の長手方向に直交する方向に延在して配置されたボールネジ軸の回転時に、該ボールネジ軸に螺合しかつ上記第1レール状保持部材及び第2レール状保持部材にそれぞれ備えられたたナットが回転を規制されることにより、上記第1レール状保持部材及び第2レール状保持部材が一体的に平行移動して上記板状部材を搬送する一方、
上記第1レール状保持部材と上記第2レール状保持部材とのいずれか一方のレール状保持部材の上記ナットの回転の規制を解除することにより、当該ナットが上記ボールネジ軸の回転時に上記ボールネジ軸とともに回転して、上記一方のレール状保持部材の移動が規制され、上記第1レール状保持部材と上記第2レール状保持部材とのいずれか他方のレール状保持部材であって上記ナットの回転が規制されている上記他方のレール状保持部材が上記ボールネジ軸の回転時に移動することにより、上記一方のレール状保持部材に対して、上記他方のレール状保持部材のみが平行移動して、上記第1レール状保持部材と上記第2レール状保持部材との間隔を調整する板状部材の搬送保持方法を提供する。
【0041】
(発明を実施するための最良の形態)
本発明の記述を続ける前に、添付図面において同じ部品については同じ参照符号を付している。
【0042】
本発明の第1の実施形態にかかる板状部材の搬送保持装置及びその方法を備える部品実装装置は、図1〜図3に示すように、板状部材の一例として、部品を実装する基板2(位置に関係なく基板を指す場合には参照番号2により示し、特定の位置の基板は参照番号2−0,2−1,2−2,2−3のように示す。)に部品を実装するとき、上記基板2を保持する基板搬送保持装置及びその方法に適用した場合について説明する。
【0043】
なお、上記部品実装装置を詳細に説明する前に、概略を、まず、説明する。
【0044】
上記部品実装装置においては、1台の部品実装装置の、部品実装作業領域において、2枚の電子回路基板2を斜めに互いに対向するように千鳥に配置し、それぞれ独立して部品実装可能となっている。このため、作業ヘッド及びその駆動部、基板搬送保持装置、認識カメラなどがそれぞれ2セットずつ配置されている。また、電子回路基板2を保持している基板搬送保持装置が、各実装領域において部品供給部に近い位置に移動して部品実装を行うようにしており、基板2の幅に応じての基板搬送保持装置の調整(基板幅寄せ)基準は2分割された部品実装作業領域のうちの作業者に近い手前側の実装領域では手前側の縁部を基準、作業者に遠い奥側の実装領域では奥側の縁部を基準とする。これにより、部品供給、部品認識、部品装着に至る作業ヘッドの移動距離を最短にして実装タクトを短縮させることができる。また、各基板搬送保持装置に搬入された基板2は、中央部に一旦位置決めされたのち、図2の右側の基板搬送保持装置上の基板は左、左側の基板搬送保持装置上の基板は右に位置決めして実装移動距離を短縮させることによるタクト短縮することができる。さらに、2枚の基板2,2を斜めに互いに対向するように千鳥に配置することで、2つのトレイ供給部を斜めに互いに対向するように千鳥に配置することも可能となり、カセット供給部連数を削減する必要がなくなり、トレイ供給部と認識位置を近くに位置することができ、実装タクトを短縮させることができる。このように本実装装置は様々な利点を有するものである。
【0045】
次に、本発明の一実施形態の部品実装装置の構成について図1ないし図9を用いて詳細に説明する。また、各図において同じ構成要素においては同じ符号を付している。
【0046】
図1及び図2は本発明の上記実施形態における電子部品実装装置の全体概略斜視図及び平面図であり、上記実装装置の部品実装作業領域200は、基板搬送位置での上記板状部材の搬送方向、言い換えれば、部品搬送経路を境として第1実装領域201と第2実装領域202の2つに分割されている。図1,図2において、1は上記部品実装作業領域200の基板搬入側に配置され、かつ、上記第1実装領域201と上記第2実装領域202とが隣接する上記部品実装作業領域200の部品搬送経路に、電子回路基板2を搬入するローダー、11は上記部品実装作業領域200の部品搬送経路の基板搬出側に配置され、かつ、上記第1実装領域201と上記第2実装領域202とが隣接する上記部品実装作業領域200の部品搬送経路から、電子回路基板2を搬出するアンローダーである。上記実施形態の電子部品実装装置では、各種構成要素が、以下のように、部品実装作業領域200の中央点102(図10参照。)に対して点対称に設けられている。
【0047】
すなわち、3は上記基板搬送位置にてローダー1から搬入される電子回路基板2を搬送保持する一対のサポートレール部21,22(位置に関係なくサポートレール部をさす場合には参照番号21,22により示し、特定の位置のサポートレール部は参照番号21−1,21−2,22−1,22−2のように示す。)を備える第1基板搬送保持装置、4は第1実装領域201において電子部品を吸着保持する部品吸着ノズル10を交換可能に複数本例えば10本装着した作業ヘッド、5は第1実装領域201内の作業ヘッド4を第1実装領域201内の直交する2方向であるXY方向の所定位置に位置決めするXYロボット、7は第1実装領域201において後述する部品供給部8Aの近傍に配置され、かつ、複数の種類の電子部品に適した複数の種類のノズル10を収納して必要に応じて作業ヘッド4に装着されたノズル10と交換するノズルステーションである。8A,8Bは第1実装領域201の作業者に対する手前側すなわち作業者に対する前側の端部にそれぞれ配置され、かつ、上記基板2に実装すべき部品をテープ状に収納保持されたテーピング部品を収納する部品供給部、8Cは第1実装領域201の部品供給部8Bの近傍に配置され、かつ、上記基板2に実装すべき部品をトレー状に収納保持されたトレー部品を収納する部品供給部、9は第1実装領域201において部品供給部8Aの近傍の部品実装作業領域中央に近い側に配置され、かつ、作業ヘッド4のノズル10が吸着した電子部品の吸着姿勢を撮像する認識カメラである。なお、図3の9aは認識カメラ9のうちの二次元カメラ、9bは認識カメラ9のうちの三次元カメラである。
【0048】
一方、13は第1実装領域201の第1基板搬送保持装置3から搬入される電子回路基板2を搬送保持する一対のサポートレール部21,22を備える第2基板搬送保持装置、14は第2実装領域202において電子部品を吸着保持する部品吸着ノズル20を交換可能に複数本例えば10本装着した作業ヘッド、15は第2実装領域202内の作業ヘッド14を第2実装領域202内の直交する2方向であるXY方向の所定位置に位置決めするXYロボット、17は第2実装領域202において後述する部品供給部18Aの近傍に配置され、かつ、複数の種類の電子部品に適した複数の種類のノズル20を収納して必要に応じて作業ヘッド14に装着されたノズル20と交換するノズルステーションである。18A,18Bは第2実装領域202の作業者に対する奥側すなわち作業者に対する後側の端部にそれぞれ配置され、かつ、上記基板2に実装すべき部品をテープ状に収納保持されたテーピング部品を収納する部品供給部、18Cは第2実装領域202の部品供給部18Bの近傍に配置され、かつ、上記基板2に実装すべき部品をトレー状に収納保持されたトレー部品を収納する部品供給部、19は第2実装領域202において部品供給部18Aの近傍の部品実装作業領域中央に近い側に配置され、かつ、作業ヘッド14のノズル20が吸着した電子部品の吸着姿勢を撮像する認識カメラである。なお、図3の19aは認識カメラ19のうちの二次元カメラ、19bは認識カメラ9のうちの三次元カメラである。
【0049】
さらに、後述する、ボールネジ軸35,第1ナット27,第2ナット48,サポートレール部移動用モータ40,選択ロック機構70などより構成される第1移動装置を備えて、第1移動装置により、上記第1基板搬送保持装置3を上記基板2の搬送方向と交差する方向に、上記基板搬送位置と、第1実装領域201内において、上記第1基板搬送保持装置3に保持された上記基板2に対して所定の作業例えば部品実装を行う第1作業位置例えば第1部品実装位置との間で移動させる。また、後述する、ボールネジ軸35,第1ナット27,第2ナット48,サポートレール部移動用モータ40,選択ロック機構70などより構成される第2移動装置を備えて、第2移動装置により、上記第2基板搬送保持装置13を上記基板2の搬送方向と交差する方向に、上記基板搬送位置と、第2実装領域202内において、上記第2基板搬送保持装置13に保持された上記基板2に対して所定の作業例えば部品実装を行う第2作業位置例えば第2部品実装位置との間で移動させる。
【0050】
上記XYロボット5,15は、以下のように構成されている。XYロボット装置6の2本のY軸駆動部6a,6aが実装装置基台16上の部品実装作業領域200の基板搬送方向の前後端縁に固定配置され、これらの2本のY軸駆動部6a,6aにまたがって2本のX軸駆動部6b,6cがY軸方向に独立的に移動可能にかつ衝突回避可能に配置されて、さらに、X軸駆動部6bには第1実装領域201内を移動する作業ヘッド4がX軸方向に移動可能に配置されるとともに、X軸駆動部6cには第2実装領域202内を移動する作業ヘッド14がX軸方向に移動可能に配置されている。よって、上記XYロボット5は、実装装置基台16に固定された2本のY軸駆動部6a,6aと、Y軸駆動部6a,6a上でY軸方向に移動可能なX軸駆動部6bと、X軸駆動部6bにおいてX軸方向に移動可能な作業ヘッド4とより構成される。また、上記XYロボット15は、実装装置基台16に固定された2本のY軸駆動部6a,6aと、Y軸駆動部6a,6a上でY軸方向に移動可能なX軸駆動部6cと、X軸駆動部6cにおいてX軸方向に移動可能な作業ヘッド14とより構成される。
【0051】
本発明の上記実施形態では、前後のサポートレール部21,22をそれぞれ備える上記第1及び第2基板搬送保持装置3,13の構造に、まず、特徴がある。なお、第1及び第2基板搬送保持装置3,13は全く同一構造であり、異なるのは配置位置が第1基板搬送保持装置3と第2基板搬送保持装置13とでは上記部品実装作業領域200の中央点102に対して点対称になっているだけである。よって、以下、図4〜図8を用いて、各基板搬送保持装置の構造を説明する。
【0052】
図4〜図8において、21,22はX方向沿いに延在しかつ基板搬送保持用ベルト500をそれぞれ備えて電子回路基板2を搬送保持する一対のサポートレール部である。一対のサポートレール部21,22のうち前側のサポートレール部21は基板2の幅サイズに応じてサポートレール部21,22間の幅調整(幅寄せ)するときの基準側すなわちロック側のサポートレール部として機能し、後側のサポートレール部22は基板2の幅サイズに応じて移動するための移動側のサポートレール部として機能する。さらに、図4〜図8において、23は上記基板搬送保持装置3,13の図6における左右両端部付近に、サポートレール部21,22の長手方向(X方向)と直交する方向(Y方向)に延在するように配置された直線ガイド部材、24は、前側のサポートレール部21の図6における左端の支柱部21aと右端近傍の支柱部21bの各下端部にそれぞれ配置され、かつ、各直線ガイド部材23上を直線移動してサポートレール部21を上記Y方向沿いに平行移動できるように案内する前側のスライダ、25は、後側のサポートレール部22の図6における左端の支柱部22aと右端近傍の支柱部22bの各下端部にそれぞれ配置され、かつ、各直線ガイド部材23上を直線移動してサポートレール部22を上記Y方向沿いに平行移動できるように案内する後側のスライダ、35は上記基板搬送保持装置3,13の図4,図6における左右両端部付近に、サポートレール部21,22の長手方向(X方向)と直交する方向(Y方向)に延在するように各直線ガイド部材23の上方に配置され、かつ、各基板搬送装置用ベース44に両端が回転可能に支持されたボールネジ軸、40はボールネジ軸35を正逆回転方向に回転駆動するサポートレール部移動用モータである。なお、直線ガイド部材23と前側のスライダ24と後側のスライダ25とにより、直線ガイド機構を構成している。また、27は図7にも示すようにサポートレール部21の左端の支柱部21aと右端近傍の支柱部21bの各下端部にそれぞれ軸受47を介して回転自在に備えられ、かつ、上記ボールネジ軸35と螺合するナットある。ナット27は、その全体が外側からスリーブ46により覆われてスリーブ46と相対回転不可に一体的に回転し、スリーブ46により軸受47に回転自在に支持されている。スリーブ46の軸方向一端部にはギヤ28が固定されている。30はサポートレール部21の各支柱部21a,21bに備えられ、かつ、ピストンロッドを上下動させる選択ロック機構用シリンダである。上記選択ロック機構用シリンダ30の上記ピストンロッドの上端には、上記ギヤ28と係合可能なラックギヤ29が固定されており、ピストンロッドが上昇して上端位置に位置したときに上記ラックギヤ29が上記ギヤ28と噛み合ってナット27の回転を停止させる一方、ピストンロッドが下降して下端位置に位置したときにピストンロッド下端のピン43がシリンダ30を下方に突き抜けて基板搬送装置用ベース44の穴45と噛み合い、サポートレール部21を移動不可としてその位置を固定する。この基板搬送装置用ベース44の穴45は、サポートレール部21が基準位置の一例としての原点位置P21に位置したとき(図6の点線で示すサポートレール部21の位置)に各ピン43が挿入可能な位置にのみ設けられている。また、左右のボールネジ軸35,35にはプーリー92,91がそれぞれ連結されているとともに、これらのプーリー92,91にはベルト90がかけわたされており、モータ40の回転駆動により、プーリー92,91及びベルト90を介して、左右のボールネジ軸35,35が同期して同一方向に回転するようになっている。各ボールネジ軸35が回転すると、軸受47により回転自在に支持されておりかつ各ボールネジ軸35に螺合したナット27も回転する。このようにナット27が回転している状態では、前側のサポートレール部21には何らY軸方向沿いの力が作用しないため、前側のサポートレール部21はY軸方向にはまったく移動しない。一方、シリンダ30が駆動されてピストンロッドが上昇することによりラックギヤ29がギヤ28と係合すると、ギヤ28及びスリーブ46を介してナット27が回転するのを規制されるため、各ボールネジ軸35の回転に対してナット27にはY軸方向沿いの力が作用し、前側のサポートレール部21はY軸方向に移動する。このようにして、上記各ギヤ28と各ラックギヤ29と各シリンダ30とより各選択ロック機構70が構成されている。この結果、前側のサポートレール部21は、左右の選択ロック機構70,70により上記ラックギヤ29,29が上記ギヤ28,28と噛み合ってナット27,27の回転を停止させるときにはY軸方向沿いに平行移動する一方、選択ロック機構70,70によりシリンダ30のピストンロッドが下降して下端位置に位置し、ピストンロッド下端のピン43がシリンダ30を下方に突き抜けて、サポートレール部21が原点位置P21に位置したときに基板搬送装置用ベース44の穴45と噛み合い、サポートレール部21を原点位置P21において移動不可としてその位置を固定するとともに、上記ラックギヤ29,29と上記ギヤ28,28との噛み合いを解除してナット27,27の回転を許容するときにはY軸方向沿いに移動せず位置保持される。このため、一対のサポートレール部21,22の幅を基板2の幅サイズに応じて調整するとき、サポートレール部21の選択ロック機構70,70によりY軸方向沿いに移動せず位置保持させることにより、前側のサポートレール部21を基準側すなわちロック側のサポートレール部21として機能させることができる。
【0053】
一方、48は図7にも示すように後側のサポートレール部22の左端の支柱部22aと右端近傍の支柱部22bの各下端部にそれぞれ軸受49を介して回転自在に備えられ、かつ、上記ボールネジ軸35と螺合するナットである。各ナット48は、その全体が外側からスリーブ50により覆われてスリーブ50と相対回転不可に一体的に回転し、スリーブ50により軸受48に回転自在に支持されている。各スリーブ50の軸方向一端部にはギヤ51が固定されている。ギヤ51,51は、ブラケット52,52により、後側のサポートレール部22の左端の支柱部22aと右端近傍の支柱部22bの各下端部にそれぞれ締結されているので、ボールネジ軸35,35が回転すると直線ガイド部材23,23とスライダ24,24にガイドされてY軸方向沿いに平行移動することができる。
【0054】
また、99はY軸方向沿いに延在して、サポートレール部21、22にそれぞれ長手方向沿いに備えられて基板2を載置して搬送するためのベルト500をプーリーなどを介してそれぞれ同期して前後方向に駆動するためのベルト駆動軸、42は上記ベルト駆動軸99を正逆回転駆動することにより、基板2を載置して搬送するためのベルト500をそれぞれ同期して前後方向に駆動するためのベルト駆動用モータである。
【0055】
また、上記右側の基板搬送装置用ベース44には、前側のサポートレール部21の前側限界位置を検出する前側限界位置検出センサー400、前側のサポートレール部21の原点位置P21を検出する前側原点位置検出センサー401、前側のサポートレール部21と後側のサポートレール部22との衝突を防止するため、後側のサポートレール部22の右端近傍の支柱部22bに突出して設けたドグ407を検出したとき前側のサポートレール部21に対する後側のサポートレール部22の接近動作を停止させる衝突回避用センサー406、後側のサポートレール部22の基準位置の一例としての原点位置P22を検出する後側原点位置検出センサー404、後側のサポートレール部22の後側限界位置を検出する後側限界位置検出センサー405、がそれぞれ備えられている。これらのセンサー400,401,406,404,405は、すべて制御装置1000に接続されてそれぞれの検出結果が入力されるようになっている。
【0056】
また、サポートレール部21には、電子回路基板2の通過を検出する基板通過検出センサー31が右端部すなわちローダ1側の端部に配置され、電子回路基板2を所定位置で止める基板ストッパー32が左端部すなわちアンローダ11側の端部に配置され、電子回路基板2がローダ1側からアンローダ11側に向けての基板搬送方向において上記所定位置に接近して到着したことを検出する基板到着検出センサー33が基板ストッパー32の近傍に備えられている。図9に示すように、上記各基板ストッパー駆動用シリンダ32Dは、そのピストンロッドの上端位置を検出する上端位置検出センサーS32を備えている。基板ストッパー32は実装動作中は上昇位置に位置して基板2に当接し続けている。
【0057】
また、図9に示すように、上記サポートプレート駆動用シリンダ39は、そのピストンロッドの上限位置を検出する上限位置検出センサーS39Uと、下限位置を検出する下限位置検出センサーS39Lとを備えている。
【0058】
また、電子部品が電子回路基板2に品質良く装着されるためには下方向から基板2が支持されている必要がある。そこで、上記基板搬送保持装置は、最大基板と同等又はそれ以上の大きさのサポートプレート38を昇降可能に備え、サポートプレート38上にサポートピン87を必要本数立て、サポートプレート駆動用シリンダ39によりサポートプレート38が上昇されてサポートピン87により電子回路基板2の下面を支持するとともに、基板2の両側部はサポートレール部21,22に挟み込んで所定位置に保持するようにしている。
【0059】
図28に示すように、上記各センサー及び各駆動装置は制御装置1000にそれぞれ接続されており、所定の実装プログラムに基づき、各駆動装置は駆動制御されている。すなわち、上記制御装置1000には、少なくとも、基板通過検出センサー31(31−1、31−2)、基板到着検出センサー33(33−1,33−2)、サポートプレート駆動用シリンダ39の上限位置検出センサーS39U、サポートプレート駆動用シリンダ39の下限位置検出センサーS39L、前側限界位置検出センサー400、前側原点位置検出センサー401、衝突回避用センサー406、後側原点位置検出センサー404、後側限界位置検出センサー405、認識カメラ9,19、XYロボット5,15、作業ヘッド4,14、ローダー1、アンローダー11、サポートレール部移動用モータ40、ベルト駆動用モータ42、基板ストッパー駆動用シリンダ32D、サポートプレート駆動用シリンダ39、選択ロック機構用シリンダ30、部品実装すべき基板のサイズなどの情報、部品の形状や高さなどの情報、当該部品の実装すべき基板上での装着すべき位置や実装順などや部品吸着ノズルの形状や各サポートレール部の基板搬送位置の情報など、実装動作に関する情報などが記憶されているデータベース1001、所望の演算を行う演算部1002などが接続されている。
【0060】
以上のように構成された上記実施形態の電子部品実装装置の動作について、図10〜図17の動作説明図及び図27のタイミングチャートを使って示す。上記電子部品実装装置の動作は制御装置1000の制御に基づいて行われる。
【0061】
図10は全体レイアウトを示す図であって、サポートレール部21,22の原点復帰動作及び装着動作状態を示す図であり、部品実装作業領域200の中央点102に対して、部品供給部8A,8B,18A,18B、電子部品の吸着姿勢を撮像する認識カメラ9,19、吸着すべき電子部品に適した形状の吸着ノズル10,20を有する作業ヘッド4,14(図17参照。)、サポートレール部21,22を有する基板搬送装置3,13(図18参照。)が点対称に配置されている。部品実装作業領域200は、先に述べたように、中央点102を通過しかつ基板搬送方向沿いの直線により2分割されて第1実装領域201(図10では部品実装作業領域200の下半分)と第2実装領域202(図10では部品実装作業領域200の上半分)とに区分けされている。サポートレール部21,22、基板通過検出センサー31、基板ストッパー32、基板到着検出センサー33、サポートプレート38は、それぞれ、第1実装領域201内ではサポートレール部21−1,22−1、基板通過検出センサー31−1、基板ストッパー32−1、基板到着検出センサー33−1、サポートプレート38−1として図示し、第2実装領域202内ではサポートレール部21−2,22−2、基板通過検出センサー31−2、基板ストッパー32−2、基板到着検出センサー33−2、サポートプレート38−2として図示している。
【0062】
上記第1実装領域201では、ロック側のサポートレール部21−1は右下の実線で示す原点位置P21−1まで、移動側のサポートレール部22−1は右上の実線で示す原点位置P22−1までの範囲内でそれぞれ移動する。一方、上記第2実装領域202では、ロック側のサポートレール部21−2は左上の実線で示す原点位置P21−2まで、移動側のサポートレール部22−2は左下の実線で示す原点位置P22−2までの範囲内でそれぞれ移動する。
【0063】
次に、図11において、上記部品実装装置がパワーオンされた状態では、ロック側のサポートレール部21−1,21−2及び移動側のサポートレール部22−1,22−2原点を得ていない状態を示している。
【0064】
次に、図12において、上記部品実装装置がパワーオンされた後、ロック側のサポートレール部21−1、21−2がそれぞれの原点位置P21−1、P21−2まで低速で移動して原点復帰して当該原点位置P21−1、P21−2でそれぞれロック状態になったのち、移動側のサポートレール部22−1,22−2がそれぞれの原点位置P22−1,P22−2に向けて低速で移動する状態を示している。
【0065】
すなわち、図12において、各実装領域201,202では、サポートレール部移動用モータ40が駆動されてボールネジ軸35,35が同期回転し、選択ロック機構70,70によりラックギヤ29,29がギヤ28,28に係合してナット27,27の回転を規制することにより、第1実装領域201の前側すなわち図10の右下側のロック側のサポートレール部21−1及び第2実装領域202の後側すなわち図10の左上側のロック側のサポートレール部21−2が、図6,図7に示すように基板搬送装置用ベース44の穴45が設けられている原点位置(第1実装領域201では図10の実線で示された右下の原点位置P21−1、第2実装領域202では図10の実線で示された左上の原点位置P21−2)までそれぞれ独立的に低速で移動する。なお、ロック側のサポートレール部21−1,21−2のそれぞれの原点位置P21−1,P21−2は、認識カメラ9,19及び部品供給部8A,18Aに最も近い位置となっている。すなわち、第1実装領域201では、ロック側のサポートレール部21−1と移動側のサポートレール部22−1が図12において下向き矢印で示すように下方向に一体的に低速で移動し、ロック側のサポートレール部21−1が原点位置P21−1に位置した時点で両方のサポートレール部21−1,22−1の移動を停止する。また、第2実装領域202では、ロック側のサポートレール部21−2と移動側のサポートレール部22−2が図12において上向き矢印で示すように上方向に一体的に低速で移動し、ロック側のサポートレール部21−2が原点位置P21−2に位置した時点で両方のサポートレール部21−2,22−2の移動を停止する。
【0066】
次いで、ロック側のサポートレール部21−1,21−2が原点復帰完了にて、ロック側のサポートレール部21−1,21−2シリンダ30,30が駆動されてそれぞれのピストンロッド下端のピン43,43が基板搬送装置用ベース44,44の穴45,45に噛み合い、ロック側のサポートレール部21−1,21−2がそれぞれの原点位置P21−1,P21−2にそれぞれロックされる。すなわち、ロック側のサポートレール部21−1,21−2がそれぞれの原点位置P21−1,P21−2までそれぞれ移動したのち、各ロック側のサポートレール部21−1,21−2において選択ロック機構70,70によりラックギヤ29,29とギヤ28,28との係合を解除してナット27,27の自由回転を許容するとともに選択ロック機構用シリンダ30のピストンロッド下端のピン43が基板搬送装置用ベース44の穴45に挿入されて噛み合い、ロック側のサポートレール部21−1,21−2を移動不可としてその位置を固定する。
【0067】
次いで、ロック側のサポートレール部21−1,21−2がそれぞれの原点位置P21−1,P21−2に位置したことを前側原点位置検出センサー401,401でそれぞれ検出すると(図27ではレールロック(行限)がオンからオフになると)、タイマーT6で所定時間計測後に、サポートレール部移動用モータ40を逆駆動して、移動側のサポートレール部22−1,22−2がそれぞれの原点位置P22−1,P22−2に向けて上記とは逆方向に低速で移動を開始する。すなわち、移動側のサポートレール部22−1,22−2は、最初は、ロック側のサポートレール部21−1,21−2の原点位置側への低速での移動により、ロック側のサポートレール部21−1,21−2と一体的に同じ矢印方向に低速で移動するが、ロック側のサポートレール部21−1,21−2がそれぞれ原点位置P21−1,P21−2に位置したのち、サポートレール部移動用モータ40が逆方向に回転駆動されてボールネジ軸35,35が逆方向に同期回転すると、移動側のサポートレール部22−1,22−2は先とは逆方向に低速で移動してそれぞれの原点位置(第1実装領域201では図10の実線で示された右上の原点位置P22−1、第2実装領域202では図10の実線で示された左下の原点位置P22−2)まで移動する。
【0068】
次いで、図13及び図25にて、移動側のサポートレール部22−1,22−2が最大外側に移動した時点、すなわち、原点位置P22−1,P22−2に到達して移動側のサポートレール部22−1,22−2のそれぞれの原点位置P22−1,P22−2に位置したことを後側原点位置検出センサー404,404でそれぞれ検出すると、移動側のサポートレール部22−1,22−2の移動を停止し、原点復帰完了となる。この結果、図13では、ロック側のサポートレール部21−1,21−2、移動側のサポートレール部22−1,22−2のすべてがそれぞれの原点位置P21−1,P21−2,P22−1,P22−2に復帰した状態となる。
【0069】
次いで、図14にて、ロック側のサポートレール部21−1,21−2は、図13と同様にそれぞれの原点位置P21−1,P21−2に固定した状態で、移動側のサポートレール部22−1,22−2は部品を実装すべき基板2−1,2−2の幅に合わせて原点位置P22−1,P22−2からロック側のサポートレール部21−1,21−2に向けて移動して、サポートレール部21−1,22−1間及びサポートレール部21−2,22−2間の幅調整が完了する。このとき、移動側のサポートレール部22−1,22−2の移動量は、次に実装すべき基板2−1,2−2の幅が予めデータベース1001内に記憶されており、その情報とサポートレール部移動用モータ40の回転による移動側のサポートレール部22−1,22−2の移動量などの情報を元に演算部1002で演算して、サポートレール部移動用モータ40の回転量を算出し、算出結果に基づいてサポートレール部移動用モータ40を回転駆動制御する。また、予め、上記演算をしておき、演算結果情報のみをデータベース1001内に記憶させ、これを利用してサポートレール部移動用モータ40を回転駆動制御することもできる。
【0070】
次に、部品を実装すべき基板2−1,2−2の幅に合わせてサポートレール部21−1,22−1間及びサポートレール部21−2,22−2間の幅調整が終了した後、図15に示すように、第1基板搬送保持装置3では、各選択ロック機構70により各ギヤ28に各ラックギヤ29が係合したのちボールネジ軸35,35が回転することにより、ロック側と移動側のサポートレール部21−1と22−1が同期して同一方向にすなわち図15において上向きに移動する。同様に、第2基板搬送保持装置13では、各選択ロック機構70により各ギヤ28に各ラックギヤ29が係合したのちボールネジ軸35,35が回転することにより、ロック側と移動側のサポートレール部21−2と22−2が同期して同一方向にすなわち図15において下向きに移動する。そして、上記実装装置の部品実装作業領域200の中央で左右の基板搬送保持装置3,13が一直線状に並ぶ位置(搬送位置)までロック側と移動側のサポートレール部21−1と22−1とロック側と移動側のサポートレール部21−2と22−2とが移動したのち、第2基板搬送保持装置13では第1基板搬送保持装置3から基板2−1の搬入を待ち、第1基板搬送保持装置3ではローダ1からの基板2−0の搬入を待つ。
【0071】
次に、図16及び図24に示すように、第1基板搬送保持装置3及び第2基板搬送保持装置13を制御装置1000の制御の元にそれぞれ駆動して第1基板搬送保持装置3から第2基板搬送保持装置13への基板2−1の搬入動作が完了し、かつ、ローダ1及び第1基板搬送保持装置3を制御装置1000の制御の元にそれぞれ駆動してローダ1から第1基板搬送保持装置3への基板2−0の搬入動作を完了した後、基板2−0を保持した第1基板搬送保持装置3のサポートレール部21−1,22−1は図16において下向きに移動して認識カメラ9の最接近位置まで移動するとともに、基板2−1を保持した第2基板搬送保持装置13のサポートレール部21−2,22−2は図16において上向きに移動して認識カメラ19の最接近位置した作業位置の一例としての各部品実装位置(ロック側のサポーレール部21−1,22−1がそれぞれの原点位置P21−1,P22−1に位置する位置)まで移動する。ここで、作業ヘッド4,14は部品供給部8A若しくは8B,18A若しくは18Bから所望の部品をそれぞれのノズル10,20で吸着した後、認識カメラ9,19にて吸着姿勢をそれぞれ撮像した後、これらの部品の吸着姿勢を補正演算して電子回路基板2−0,2−1上にそれぞれ実装する。上記実施形態では、この認識カメラ9,19と電子回路基板2−0,2−1の距離が、電子回路基板2のサイズによらず、最寄りの位置まで接近して実装動作が行われているため、作業ヘッド4,14の移動距離を短縮することができ、実装タクトを短くすることができる。
【0072】
一方、実装装置のメンテナンスを行うときには、図17及び図26ではロック側のサポートレール部21−1,21−2及び移動側のサポートレール部22−1,22−2を上記第1及び第2部品実装位置から離れかつ各サポートプレート38−1,38−2の上方から退避した位置まで移動している。これによって、実装装置の各種メンテナンス作業、例えば、電子回路基板2を下方向から支えるサポートピン87や各サポートプレート38−1,38−2を交換したり、ノズルステーション7,17内のノズル10,20の交換したりするとき、支障なく、各種メンテナンス作業を容易に行うことができる。
【0073】
次に、図18〜図21を用いて、制御装置1000の制御に基づく、基板の搬送流れを詳細に述べる。
【0074】
図18から図21は、生産(部品実装)する中での電子回路基板2の流れを示している。生産が始まった段階では、ロック側のサポートレール部21−1,21−2と移動側のサポートレール部22−1,22−2は同期してそれぞれ一緒に駆動される。また、図22及び図23には基板搬送動作におけるタイムチャートを示す。
【0075】
図18は、部品実装の生産が終了した時点の位置関係を示している。この時点で、次に生産される電子回路基板2−0はローダ1に準備されている。
【0076】
まず、図22及び図23のタイムチャートにも示すように、部品実装生産終了後、制御装置1000の制御の元に、第1及び第2基板搬送保持装置3,13の各々のサポートプレート38−1,38−2が上記サポートプレート駆動用シリンダ39,39の駆動により下降開始され、それぞれの下限位置にそれぞれ位置したことを下限位置検出センサーS39L,S39Lにより検出する。下限位置検出センサーS39L,S39Lによる検出信号が制御装置1000に入力されると、第1基板搬送保持装置3では基板ストッパー駆動用シリンダ32Dが駆動されて、第1基板搬送保持装置3のロック側のサポートレール部21−1に設けられかつ実装動作中は上昇位置に位置していたストッパー32−1が下降して、基板2の搬出可能状態となる。また、第2基板搬送保持装置13のロック側のサポートレール部21−2に設けられかつ実装動作中は上昇位置に位置していたストッパー32−2も下降して、基板2の搬出可能状態となる。
【0077】
また、下限位置検出センサーS39L,S39Lによる検出信号が制御装置1000に入力されるとき、上記したように第1基板搬送保持装置3で基板ストッパー駆動用シリンダ32Dが駆動されるのに加えて、第1基板搬送保持装置3では、サポートレール部移動用モータ40が駆動されてボールネジ軸35,35が同期回転し、サポートレール部21−1,22−1が図18において上向きに示すように第1部品実装位置から部品実装作業領域200の中央部分の基板搬送位置に向けて移動を開始するとともに、第2基板搬送保持装置13でも、サポートレール部移動用モータ40が駆動されてボールネジ軸35,35が同期回転し、サポートレール部21−2,22−2が図18において下向きに示すように第2部品実装位置から部品実装作業領域200の中央部分の基板搬送位置に向けて移動を開始する。このとき、第2基板搬送保持装置13では、サポートレール部移動用モータ40が駆動されると同時的に、ベルト駆動用モータ42も駆動されて、第2基板搬送保持装置13において右端部側に位置決めされていた基板2−2を左端部側に寄せるように搬送を開始する。基板通過検出センサー31−2で基板2−2を検出すると、サポートレール部移動用モータ40が駆動されているか否か判断し、駆動されている場合には、ベルト駆動用モータ42の駆動を停止する。駆動されていない場合には、ベルト駆動用モータ42の駆動を続けてもよい。これは、第2基板搬送保持装置13のサポートレール部21−2,22−2上でのみ基板2−2を搬送して、第2基板搬送保持装置13からアンローダー側への搬送タクトを短縮するのが目的であり、サポートレール部21−2,22−2の移動中にサポートレール部21−2,22−2から基板2−2がはみ出ないようにするためである。また、サポートレール部移動用モータ40が駆動されたのち所定時間経過後にすなわちサポートレール部21−2,22−2が基板搬送位置に位置する前に、ベルト駆動用モータ42の駆動を一旦停止して、上記基板搬送位置での次の基板搬送動作に備えるようにする。
【0078】
図19には、第1基板搬送保持装置3のサポートレール部21−1,22−1、第2基板搬送保持装置13のサポートレール部21−2,22−2が部品実装作業領域200の中央部分の基板搬送位置に到着してそれぞれの基板搬送位置で停止している状態を示す。この状態においては、ローダ1、第1基板搬送保持装置3のサポートレール部21−1,22−1、第2基板搬送保持装置13のサポートレール部21−2,22−2、アンローダー11は一直線状に並んでいる。ここで、電子回路基板2は右から左に向かって流れていくこととする。
【0079】
次いで、第2基板搬送保持装置13のサポートレール部21−2,22−2が第2部品実装位置から基板搬送位置に位置したことを検出して、言い換えれば、第2基板搬送保持装置13のサポートレール部移動用モータ40の駆動が停止されたことを検出して、ベルト駆動用モータ42を駆動して、第2基板搬送保持装置13で生産(部品実装)された基板2−2を第2基板搬送保持装置13からアンローダー11に搬出する。搬出完了は、基板通過検出センサー31−2により基板2−2が通過して無くなったことを検出することにより判断する。
【0080】
基板搬出完了が制御装置1000で判断されると、第1基板搬送保持装置3のサポートレール部移動用モータ40が駆動されて、第1基板搬送保持装置3で生産された基板2−1が第1基板搬送保持装置3から第2基板搬送保持装置13に向けて搬出が開始される。
【0081】
次いで、図20に示すように、第2基板搬送保持装置13において、基板到着検出センサー33−2が基板2−1の到着及び通過を検出したとき、ベルト駆動用モータ42の駆動が停止される一方、基板ストッパー駆動用シリンダ32Dが駆動されて基板ストッパー32−2が上限位置まで上昇し、上端位置検出センサーS32で基板ストッパー32−2が上限位置に達したことを検出して基板2−1を止める準備を行う。一方、ベルト駆動用モータ42の駆動により基板2−1は右から左方向に搬送していたが、基板到着検出センサー33−2が基板2−1の到着及び通過を検出した後、基板ストッパー32−2が上限位置まで上昇する時間だけ遅らすようにタイマーT4により所定時間(例えば0.1ms)経過計測後に、ベルト駆動用モータ42を逆方向に回転駆動して、第2基板搬送保持装置13のサポートレール部21−2,22−2に備えたベルト500を左から右方向に走行させて基板2−1を逆方向に搬送する。そして、基板2−1の右側端縁が基板ストッパー32−2に当接し、基板到着検出センサー33−2で基板2−1の到着を検出する。到着検出後、タイマーT3により所定時間計測後に、ベルト駆動用モータ42の駆動を停止する。このように、ベルト駆動用モータ42を余分に駆動するのは、基板2−1の右側端縁が基板ストッパー32−2により確実に当接するようにするためである。
【0082】
一方、基板到着検出センサー33−2が基板2−1の到着及び通過を検出した後、サポートレール部移動用モータ40を駆動して、第2基板搬送保持装置13のサポートレール部21−2,22−2が基板搬送位置から第2部品実装位置すなわち認識カメラ19の方向への移動を開始する。すなわち、サポートレール部21−2,22−2上での基板2−1の搬送と、サポートレール部21−2,22−2自体の基板搬送位置から第2部品実装位置への移動が同時に行われる。このように、基板2−1のサポートレール部21−2,22−2上の所定位置への到着とサポートレール部21−2,22−2の第2部品実装位置への到着との両方が終了して、基板搬送動作が終了する。すなわち、上記ベルト駆動用モータ42の逆駆動が停止されるとともに、サポートレール部移動用モータ40の駆動が停止されると、基板搬送動作が終了したと判断して、サポートプレート駆動用シリンダ39が駆動されてサポートプレート38−2が上昇して基板2−2がサポートプレート38−2により支持される。
【0083】
上記基板搬送動作の間には若干の時間が必要であるが、この間はノズルステーション17等で生産に必要なノズル20の交換等を行う。一般に、一枚の電子回路基板2の生産には複数回のノズル交換が発生する為、基板2の生産の最初では必ず元のノズルに戻すため、ノズル交換作業が行われる。
【0084】
一方、第1基板搬送保持装置1では、基板通過検出センサー31−1がローダー1からの基板2−0の通過を確認したとき、基板ストッパー駆動用シリンダ32Dが駆動されて基板ストッパー32−1が上限位置まで上昇して、上端位置検出センサーS32で基板ストッパー32−2が上限位置に達したことを検出して基板搬入の準備が整う一方、タイマーT1により所定時間経過計測後、ベルト駆動用モータ42の回転速度を低下させ、基板2−0が基板ストッパー32−1に当接するときの衝撃を少なくする。そして、基板ストッパー32−1に基板2−0の左端縁が当接し、基板2−0が到着したことを基板到着検出センサー33−1で検出して確認する。基板到着検出センサー33−1による基板到着検出後、タイマーT1により所定時間経過計測後、ベルト駆動用モータ42の駆動を停止させる。このように、ベルト駆動用モータ42を余分に駆動するのは、基板2−0の左側端縁が基板ストッパー32−1により確実に当接するようにするためである。
【0085】
一方、基板通過検出センサー31−1が基板2−0の通過を確認した後は、サポートレール部移動用モータ40が駆動されて基板搬送位置から第1部品実装位置に向けてすなわち認識カメラ9への移動をサポートレール部21−1,22−1が開始している。第2基板搬送保持装置13のサポートレール部21−2,22−2と同様に、基板2−0の搬送とサポートレール部21−1,22−1の移動は同時的に行われ、両方の動作が完了した時点で基板搬送動作終了となる。すなわち、上記ベルト駆動用モータ42の駆動が停止されるとともに、サポートレール部移動用モータ40の駆動が停止されると、基板搬送動作が終了したと判断して、サポートプレート駆動用シリンダ39が駆動されてサポートプレート38−1が上昇して基板2−0がサポートプレート38−1により支持される。
【0086】
上記基板搬送動作の間には若干の時間が必要であるが、この間はノズルステーション7等で生産に必要なノズル10の交換等を行う。
【0087】
図21には、先の図16と同様に、基板搬送動作が完了し、基板の生産すなわち部品実装動作が始まる状態を示している。
【0088】
その後、生産が完了すると、図18〜図20において説明したように、各基板搬送保持装置3,13のサポートレール部21,22が第1及び第2部品実装位置から基板搬送位置に移動して生産完了した基板をそれぞれ搬出して次の基板を搬入後、図21の実装状態に復帰して、実装動作を継続する。このようにして、連続的に基板に対する部品実装を行うことができる。
【0089】
上記実施形態によれば、1台の部品実装装置において、基板2の部品実装作業領域200を基板搬入側から基板搬出側への基板搬入路を中心として第1実装領域201と第2実装領域202とに2分割し、第1実装領域201において、基板2−1を第1実装領域201にローダー1により搬入して、基板搬入路方向沿いの第1実装領域201の端部に配置された部品供給部8A及び第1部品認識部の一例としての認識カメラ9に最も近い部分に、基板2−1を実装動作のために位置決め保持する。次いで、第1実装領域201において、当該基板2−1の第1部品供給部8Aに近い側の作業者から見て手前側の少なくとも半分の領域(図2の斜線領域2A)に対して、部品供給部8A,8Bから部品を吸着保持して実装を行う。その後、第1実装領域201での実装作業終了後、当該基板2−1を第2実装領域202の部品供給部18A及び第2部品認識部の一例としての認識カメラ19に最も近い部分に基板2−1を実装のため位置決め保持する。次いで、第2実装領域202において、当該基板2−1の部品供給部18Aに近い側の作業者から見て奥側の少なくとも半分の領域(図2の斜線領域2A)に対して、部品供給部18A,18Bから部品を吸着保持して実装を行う。その後、第2実装領域202での実装作業終了後、当該基板2−1を第2実装領域202から搬出する。この結果、各実装領域201,202で位置決め保持された基板2と各部品供給部8A,18Aと各認識カメラ9,19との最短距離を、従来のように部品実装作業領域の基板搬入路上に基板を保持している場合と比較して、大幅に短くすることができ、実装時間を短縮することができて、生産性を向上させることができる。
【0090】
すなわち、1台の実装装置の1つの部品実装作業領域200を第1実装領域201と第2実装領域202との2つに分割して2枚の基板2をそれぞれ配置して部品実装可能にし、かつ、各実装領域で前後に移動させて部品供給部に近い実装領域端縁側で部品供給、認識、実装を行うようにし、例えば、第1実装領域201内の基板2を実装領域前側端縁で、第2実装領域202内の基板2を実装領域後側端縁でそれぞれ位置決めするようにしている。よって、認識カメラ9,19と電子回路基板2−0,2−1の距離が、電子回路基板2のサイズによらず、最短距離の位置まで接近して実装動作が行われているため、作業ヘッド4,14の移動する距離、すなわち、部品吸着、認識、装着の3動作の位置間の距離が最短で結ばれ、実装タクトを低減させることができ、生産効率を高めることができる。特に、従来、基板搬送位置付近で基板に対して部品実装する場合においては、小さな基板では部品吸着、認識、装着の3動作の位置間の距離が長くなり、実装タクトが大きくなっていたが、本実施形態では、小さな基板でも大きな基板でも、部品吸着、認識、装着の3動作の位置間の距離が短くなる位置に基板を位置決めして実装するようにしているため、実装タクトを大幅に低減することができる。特に、各実装領域において、部品供給部8A,8B,18A,18Bが、図2,図3に示すように、部品実装作業領域の基板搬送方向沿いの端縁のほぼすべてに配置されているため、認識カメラ9,19を部品実装作業領域200の中央側に配置するとともに、各基板搬送保持装置3,13での基板2の位置決め位置も部品実装作業領域200の中央側に配置するようにして、部品吸着、認識、装着の3動作の位置間の距離がより短くなるようにしているため、実装タクトをより向上させることができる。また、1つの部品実装作業領域200を2分割することにより、作業ヘッド4,14の移動距離が減少して、実装タクトを向上させることができる。例えば、本実施形態の上記実装装置ではでは、1個の部品を実装するための時間を従来の半分程度まで短縮することが可能となり、実装タクトを大幅に向上させることができる。
【0091】
また、1台の部品実装装置において、2枚の基板2,2を上記部品実装作業領域200内で斜めにすなわち千鳥に配置するようにしているため、1枚の基板2のみ配置する従来例と比較して、単位面積当たりの実装効率を向上させることができる。
【0092】
また、1台の部品実装装置において、基板2,2の千鳥配置により、基板2が配置されていない領域に、既に配置された部品供給部の例えばカセット供給部の連数を削減することなく、例えば半導体チップなどを収納することができるトレイ式部品供給部8C,18Cなど他の部品供給部を千鳥状に配置することができ、トレイ式部品供給部などによる部品供給部を基板により接近して配置することができて、部品供給効率を向上させることができる。
【0093】
また、上記実施形態によれば、実装装置のメンテナンスを行うときには、ロック側のサポートレール部21−1,21−2及び移動側のサポートレール部22−1,22−2を上記第1及び第2部品実装位置からそれぞれ離れかつ各サポートプレート38−1,38−2の上方から退避した位置まで移動するようにしている。これによって、実装装置の各種メンテナンス作業、例えば、電子回路基板2を下方向から支えるサポートピン87や各サポートプレート38−1,38−2を交換したり、ノズルステーション7,17内のノズル10,20の交換したりするとき、支障なく、各種メンテナンス作業を容易に行うことができる。また、サポートプレート38を簡単に一括交換することが可能となり、サポートピン87の位置変更時間の短縮を図ることができる。
【0094】
また、第1基板搬送保持装置3と第2基板搬送保持装置13とは、点対称に配置のみを変更し、かつ、第2基板搬送保持装置13において基板2を位置決めするとき、基板搬送方向に基板を第2基板搬送保持装置13に一旦載置したのち基板搬送方向とは逆方向に基板2を移動させて位置決めするように動作制御及びセンサーやストッパーを配置するようにすれば、第1基板搬送保持装置3と第2基板搬送保持装置13とを全く同一構造とすることができ、共通化を図ることができる。
【0095】
また、上記選択ロック機構70のロック動作及びロック解除動作により、ロック側のサポートレール部21が移動側のサポートレール部22と一体的に移動するY方向移動動作と、ロック側のサポートレール部21は固定され移動側のサポートレール部22のみ移動する幅調整動作とを選択することができ、基板の幅に応じてサポートレール部21,22間の間隔を調整するための基板幅寄せ用の駆動軸と、基板搬送用の駆動軸とを共通化することができ、駆動軸を減らすことができ、基板幅寄せ用の駆動機構と基板搬送用の駆動機構とを簡素化することができる。
【0096】
また、上記選択ロック機構用シリンダ30の駆動により、選択ロック機構70,70のロック動作及びロック解除動作を選択的に行わせることができ、この結果、ロック側のサポートレール部21が移動側のサポートレール部22と一体的に移動するY方向移動動作と、ロック側のサポートレール部21は固定され移動側のサポートレール部22のみ移動する幅調整動作とを容易にかつ確実に選択することができる。
【0097】
また、1つのモータ40を駆動して2本のボールネジ軸35,35を同期して回転駆動してサポートレール部21,22を移動させるようにしているので、2本のボールネジ軸35,35を同期して駆動させやすくなり、サポートレール部21,22をより確実に平行移動させることができる。
【0098】
また、サポートピン87を有するサポートプレート38とサポートレール部21,22とを分離してそれぞれ独立して駆動するように構成しているため、サポートプレート38とサポートレール部とを一体的に移動させる場合と比較して、移動機構が軽量化しかつ簡素化するため、移動動作の迅速化を図ることができ、かつ、安価なものとなるとともに、
各基板搬送保持装置3,13において、基板搬送方向の前後端部にそれぞれ基板位置決め用ストッパー32と基板到着検出センサー33とを備えるようにすれば、基板搬送方向の前後端部いずれでも基板2を位置決めすることができるため、各実装領域201,202において、基板2を位置決めする基板位置決め位置は、基板2の大きさ、部品を実装すべき位置の分布状態、部品供給部から部品を吸着保持する位置の分布状態などの情報に基づいて任意に決定することができる。
【0099】
また、第1基板搬送保持装置での部品実装と上記第2基板搬送保持装置での部品実装は同時に行うようにすれば、より効率よく実装動作を行うことができ、実装タクトを向上させることができる。
【0100】
また、上記ローダーから上記第1基板搬送保持装置への基板搬送、上記第1基板搬送保持装置から上記第2基板搬送保持装置への基板搬送、上記第2基板搬送保持装置から上記アンローダーへの基板搬送を同時に行うようにすれば、より効率よく基板搬送動作を行うことができ、実装タクトを向上させることができる。
【0101】
なお、本発明は上記実施形態に限定されるものではなく、その他種々の態様で実施できる。
【0102】
例えば、1台の部品実装装置において、上記基板2,2の千鳥配置により、基板2が配置されていない領域に、既に配置された部品供給部の例えばカセット供給部の連数を削減することなく、例えば半導体チップなどを収納することができるトレイ式部品供給部8C,18Cなど他の部品供給部を千鳥状に配置するとき、トレイ式部品供給部18Cについては、図3に2点鎖線で示すように、自動トレー交換装置300を備えて、自動的にトレイ式部品供給部18Cを交換できるようにしてもよい。また、具体的には図示していないが、トレイ式部品供給部8Cは作業者が手で載置するようにしているが、トレイ式部品供給部18Cと同様に、自動トレー交換装置300を備えて、自動的にトレイ式部品供給部8Cを交換できるようにしてもよい。また、他の部品供給部8A,8B,18A,18Bに対しても自動部品供給部交換装置を配置して、部品供給部8A,8B,18A,18Bの交換を自動的に行うようにしてもよい。このようにすれば、部品実装中に部品供給部の部品不足などにより実装動作が停止せず、部品供給が連続的に行われ、かつ、実装速度が速いといった実際の生産時での能力すなわち実生産能力の向上を図ることができる。また、各部品供給部やその自動交換装置などの上記部品実装装置のその他の構成要素をモジュール化すれば、今後の実装装置の改良に応じて適宜交換することにより、上記部品実装装置を進化させることが可能となる。すなわち、基本的な要素を土台として、各構成要素のモジュールを交換するだけで、上記部品実装装置を進化させることができる。また、上記したように構成要素をモジュール化すれば、基板や部品の品種切替え時においても各構成要素のモジュールを適宜交換するだけで基板や部品の品種切替えに対応することができ、かつ、装置設置面積あたりの生産性すなわち面積生産性も向上させることができる。
【0103】
また、上記実装装置の部品実装作業領域200は部品搬送方向沿いに第1実装領域201と第2実装領域202の2つに分割されているが、均等に2分割するものに限らず、任意の比率で2分割するようにしてもよい。
【0104】
また、実装領域の大きさ又は基板の大きさにより、第1実装領域201での実装動作と第2実装領域202での実装動作とが干渉する可能性がある場合には、非干渉領域ではそれぞれ独立した動作で実装し、干渉域ではいずれか一方の実装動作を待機させるように制御装置1000で制御するようにしてもよい。
【0105】
また、上記部品実装位置は、認識カメラ9,19及び部品供給部8A,18Aに近い一方のサポートレール部21の原点位置に限らず、任意の位置に設定することができる。
【0106】
また、サポートレール部21,22上において、基板2を位置決めする位置は、いずれか一方の端部に限らず、中央部分に基板ストッパー32なとを利用して位置決めするようにしてもよい。また、上記実施形態では、第1基板搬送保持装置3では基板2は左側端部に位置決めする一方、第2基板搬送保持装置13では基板2は右側端部に位置決めするようにしているが、必要に応じて、第1基板搬送保持装置3では基板2は右側端部に位置決めする一方、第2基板搬送保持装置13では基板2は左側端部に位置決めするようにしてもよい。この場合には、少なくとも基板ストッパー32を図2及び図8に実線と鎖線で示すように各基板搬送保持装置の左右両側に配置するのが好ましい。
【0107】
このように、サポートレール部21,22上における基板2の位置決め位置は、基板2の大きさ、基板2上での部品を実装する部分の位置、認識カメラ9,19及び部品供給部8A,8B,18A,18Bなどの位置、部品供給部8A,8B,18A,18Bのうちの最も頻繁に部品を取り出す部品供給部の位置などに基づいて、最適な位置に決定することができる。
【0108】
また、各基板搬送保持装置3,13において、サポートレール部21,22を平行移動せさるボールネジ軸は2本配置しているが、例えば中央に1本配置して両側にガイド部材を配置することにより、より簡素な構造にすることもできる。
【0109】
また、図29〜図32に示すように、上記第1基板搬送保持装置3の部品供給部8Cの近傍に固定されかつ基板搬送のみを行いY軸方向には移動不可の基板搬送装置3Aを配置するとともに、上記第2基板搬送保持装置13の部品供給部18Cの近傍に固定されかつ基板搬送のみを行いY軸方向には移動不可の基板搬送装置13Aを配置するようにしてもよい。このようにすれば、上記第1基板搬送保持装置3における実装動作が終了すれば、上記第2基板搬送保持装置13側での実装動作が終了していなくても、図31に示すように上記第1基板搬送保持装置3を基板搬送装置3Aと隣接させれば、上記第1基板搬送保持装置3に保持されていた基板2−1を基板搬送装置3Aに搬出してアンローダー11にさらに搬出する一方、ローダー1から新たな基板2−0を第1基板搬送保持装置3に搬入することができる。また、上記第2基板搬送保持装置13における実装動作が終了すれば、上記第1基板搬送保持装置3側での実装動作が終了していなくても、図32に示すように上記第2基板搬送保持装置13を基板搬送装置13Aと隣接させれば、上記第2基板搬送保持装置13に保持されていた基板2−2をアンローダー11に搬出する一方、ローダー1から基板搬送装置13Aを介して新たな基板2−0を第2基板搬送保持装置13に搬入することができる。なお、ローダー1及びアンローダー11はそれぞれY軸方向に点線と実線で示す位置の間で移動することが好ましい。
【0110】
また、図33に示すように、第1基板搬送保持装置3及び第2基板搬送保持装置13の各サポートレール部121−1,122−1,121−2,122−2を部品実装作業領域200の基板搬送方向沿いの幅寸法以上の長さに構成すれば、図29〜図32の変形例と同様に、他方の基板搬送保持装置での実装動作とは無関係に基板搬入及び搬出動作を行うことができる。
【0111】
さらに、上記選択ロック機構70は、一方のサポートレール部21側に配置するものに限らず、図34に示すように、他方のサポートレール部22にも配置して、両方のサポートレール部21,22をロック側のサポートレール部としてもよい。このようにすれば、例えば、第1実装領域201において、手前側の原点位置を基準として手前側のサポートレール部21−1を固定した上で、奥側のサポートレール部22−1を移動させて基板幅調整を行うものに限らず、奥側の原点位置を基準として奥側のサポートレール部22−1を固定した上で、手前側のサポートレール部21−1を移動させて基板幅調整を行うこともできる。よって、基板搬送方向が上記実施形態とは逆方向に変更されたときなどにおいては、上記したようにサポートレール部21,22の基準位置として、手前側原点位置を基準とする手前側基準を奥側原点位置を基準とする奥側基準に簡単にかつ確実に変更することができる。
【0112】
なお、上記選択ロック機構70は、上記したラックギヤとギヤなどの歯車機構に限らず、クラッチ機構などを採用することもできる。
【0113】
さらに、図36に、本発明のさらに別の実施形態にかかる部品実装装置を示す。この部品実装装置においては、上記第1及び第2基板搬送保持装置3,13を隣接させた状態で、上記第1及び第2基板搬送保持装置3,13にまたがる長い基板2G(図中、斜線部分で示す。)を搬入し、上記第1及び第2基板搬送保持装置3,13を同期させて第1実装領域201又は第2実装領域202のいずれかに平行移動させて部品装着を行うものである。図36では、上記第1及び第2基板搬送保持装置3,13を同期させて第1実装領域201内に平行移動させ、上記第1及び第2基板搬送保持装置3,13にまたがって支持された長い基板2Gに対して、部品供給部8A,8Bからヘッド4により部品を保持して装着させる例である。装着後、上記第1及び第2基板搬送保持装置3,13を中央側の搬送位置に戻して下流側に搬出する。又は、上記第1及び第2基板搬送保持装置3,13を同期させて第2実装領域202内に平行移動させ、上記第1及び第2基板搬送保持装置3,13にまたがって支持された長い基板2Gに対して、部品供給部18A,18Bからヘッド14により部品を保持して装着させる。装着後、上記第1及び第2基板搬送保持装置3,13を中央側の搬送位置に戻して下流側に搬出する。なお、32Gは、上記第1及び第2基板搬送保持装置3,13に長い基板2Gを搬入したときの位置決め用基板ストッパーである。このようにすれば、通常は図2に示すように、上記第1及び第2基板搬送保持装置3,13を別々に独立させて駆動して第1実装領域201と第2実装領域202のそれぞれで部品装着を行う一方、上記第1及び第2基板搬送保持装置3,13にまたがる長い基板2Gが搬入されて部品装着する場合には、上記したように動作させることにより、一台の部品実装装置で全く大きさの異なる基板に対して適切に上記第1及び第2基板搬送保持装置3,13を駆動して部品装着を行うことができる。
【0114】
なお、上記様々な実施形態のうちの任意の実施形態を適宜組み合わせることにより、それぞれの有する効果を奏するようにすることができる。
【0115】
本発明の一態様によれば、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転することにより、上記第2レール状保持部材のみが移動して、上記第1レール状保持部材に対する上記第2レール状保持部材の位置を変更する一方、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動することができるので、上記選択ロック機構のロック動作及びロック解除動作を行うだけで、上記第1レール状保持部材に対する上記第2レール状保持部材の位置を変更する間隔変更動作と、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動する移動動作を選択的に確実かつ容易に行うことができ、板状部材が搬送位置に搬入されたのち所望の作業位置まで移動させて保持させることができて、所望の作業を効率よく行うことができるとともに、所望の作業終了後は搬送位置に移動させたのち搬出させることができて、板状部材の搬入、保持、搬出を効率よく迅速に行うことができる。
【0116】
本発明の別の態様によれば、1台の部品実装装置の1つの部品実装作業領域を第1実装領域と第2実装領域との2つに分割して2枚の基板をそれぞれ配置して部品実装可能にし、かつ、各実装領域で前後に移動させて部品供給部に近い実装領域端縁側で部品供給、認識、実装を行うようにするとともに、例えば、第1実装領域内の基板を実装領域前側端縁で、第2実装領域内の基板を実装領域後側端縁でそれぞれ位置決めするようにすれば、認識部と電子回路基板の距離が、電子回路基板のサイズによらず、最短距離の位置まで接近して実装動作を行うことができるため、部品を吸着保持する部材例えば作業ヘッドの移動する距離、すなわち、部品吸着、認識、装着の3動作の位置間の距離が最短で結ばれ、実装タクトを低減させることができ、生産効率を高めることができる。特に、従来、基板搬送位置付近で基板に対して部品実装する場合においては、小さな基板では部品吸着、認識、装着の3動作の位置間の距離が長くなり、実装タクトが大きくなっていたが、本発明では、小さな基板でも大きな基板でも、部品吸着、認識、装着の3動作の位置間の距離が短くなる位置に基板を位置決めして実装するようにすれば、実装タクトを大幅に低減することができる。特に、各実装領域において、部品供給部が、部品実装作業領域の基板搬送方向沿いの端縁のほぼすべてに配置されている場合には、認識部を部品実装作業領域の中央側に配置するとともに、各基板搬送保持装置での基板の位置決め位置も部品実装作業領域の中央側に配置するようにして、部品吸着、認識、装着の3動作の位置間の距離がより短くなるようにすれば、実装タクトをより向上させることができる。また、1つの部品実装作業領域を2分割することにより、作業ヘッドの移動距離が減少して、実装タクトを向上させることができる。
【0117】
また、1台の部品実装装置において、2枚の基板を上記部品実装作業領域内で斜めにすなわち千鳥に配置するようにすれば、1枚の基板のみ配置する従来例と比較して、単位面積当たりの実装効率を向上させることができる。
【0118】
また、1台の部品実装装置において、基板の千鳥配置により、基板が配置されていない領域に、既に配置された部品供給部の例えばカセット供給部の連数を削減することなく、例えば半導体チップなどを収納することができるトレイ式部品供給部など他の部品供給部を千鳥状に配置すれば、トレイ式部品供給部などによる部品供給部を基板により接近して配置することができて、部品供給効率を向上させることができる。
【0119】
また、実装装置のメンテナンスを行うときには、ロック側のレール状保持部材及び移動側のレール状保持部材を上記部品実装位置から離れかつ各基板を下から支持するためのサポートプレートの上方から退避した位置まで移動するようにすれば、実装装置の各種メンテナンス作業、例えば、電子回路基板2を下方向から支えるサポートピンや各サポートプレートを交換したり、ノズルステーション内の部品吸着保持用のノズルの交換したりするとき、支障なく、各種メンテナンス作業を容易に行うことができる。また、サポートプレートを簡単に一括交換することが可能となり、サポートピンの位置変更時間の短縮を図ることができる。
【0120】
また、第1基板搬送保持装置と第2基板搬送保持装置とは、配置のみを変更し、かつ、第2基板搬送保持装置において基板を位置決めするとき、基板搬送方向に基板を第2基板搬送保持装置に一旦載置したのち基板搬送方向とは逆方向に基板を移動させて位置決めするように動作制御及びセンサーやストッパーを配置するようにすれば、第1基板搬送保持装置と第2基板搬送保持装置とを全く同一構造とすることができ、共通化を図ることができる。
【0121】
また、上記選択ロック機構を備えてロック動作及びロック解除動作を行うようにすれば、ロック側のレール状保持部材が移動側のレール状保持部材と一体的に移動するY方向移動動作と、ロック側のレール状保持部材は固定され移動側のレール状保持部材のみ移動する幅調整動作とを選択することができ、基板の幅に応じて第1及び第2レール状保持部材間の間隔を調整するための基板幅寄せ用の駆動軸と、基板搬送用の駆動軸とを共通化することができ、駆動軸を減らすことができ、基板幅寄せ用の駆動機構と基板搬送用の駆動機構とを簡素化することができる。
【0122】
また、1つのモータを駆動して2本のボールネジ軸を同期して回転駆動して第1及び第2レール状保持部材を移動させるようにすれば、2本のボールネジ軸を同期して駆動させやすくなり、第1及び第2レール状保持部材をより確実に平行移動させることができる。
【0123】
また、サポートピンを有するサポートプレートと第1及び第2レール状保持部材とを分離してそれぞれ独立して駆動するように構成すれば、サポートプレートと第1及び第2レール状保持部材とを一体的に移動させる場合と比較して、移動機構が軽量化しかつ簡素化するため、移動動作の迅速化を図ることができ、かつ、安価なものとなるとともに、
各基板搬送保持装置において、基板搬送方向の前後端部にそれぞれ基板位置決め用ストッパーと基板到着検出センサーとを備えるようにすれば、基板搬送方向の前後端部いずれでも基板を位置決めすることができるため、各実装領域において、基板を位置決めする基板位置決め位置は、基板の大きさ、部品を実装すべき位置の分布状態、部品供給部から部品を吸着保持する位置の分布状態などの情報に基づいて任意に決定することができる。
【0124】
また、第1基板搬送保持装置での部品実装と上記第2基板搬送保持装置での部品実装は同時に行うようにすれば、より効率よく実装動作を行うことができ、実装タクトを向上させることができる。
【0125】
また、上記ローダーから上記第1基板搬送保持装置への基板搬送、上記第1基板搬送保持装置から上記第2基板搬送保持装置への基板搬送、上記第2基板搬送保持装置から上記アンローダーへの基板搬送を同時に行うようにすれば、より効率よく基板搬送動作を行うことができ、実装タクトを向上させることができる。
【0126】
本発明の別の態様によれば、上記作業装置の上記板状部材搬送位置で、2つの板状部材搬送保持装置、すなわち、第1板状部材搬送保持装置と第2板状部材搬送保持装置を隣接させて所定の作業を行うべき板状部材の搬入又は搬出を行う一方、搬入後は、それぞれ板状部材を保持してそれぞれの作業位置に移動して独立して所定の作業を行うことができる。よって、板状部材の搬入搬出は上記板状部材搬送位置で行い、板状部材に対する作業は作業位置で行うことができ、それぞれの動作を最適な位置で行うことができるため、各動作の作業効率を高めることができるとともに、上記板状部材搬送動作にのみ使用し作業動作には使用できない部分が無くなり、作業装置設置面積全体を有効に利用することができる。
【0127】
本発明は、添付図面を参照しながら好ましい実施形態に関連して充分に記載されているが、この技術の熟練した人々にとっては種々の変形や修正は明白である。そのような変形や修正は、添付した請求の範囲による本発明の範囲から外れない限りにおいて、その中に含まれると理解されるべきである。
【図面の簡単な説明】
本発明のこれらと他の目的と特徴は、添付された図面についての好ましい実施形態に関連した上記の記述から明らかになる。
【図1】 本発明の一実施形態の基板搬送保持装置を有する部品実装装置の全体概略斜視図である。
【図2】 図1の部品実装装置の全体概略配置図である。
【図3】 図1の部品実装装置の全体の詳細な平面図である。
【図4】 図1の基板搬送保持装置の詳細な平面図である。
【図5】 図1の基板搬送保持装置の詳細な右側面図である。
【図6】 図1の基板搬送保持装置の斜視図である。
【図7】 図1の基板搬送保持装置の選択ロック機構の詳細な拡大右側面図である。
【図8】 図1の基板搬送保持装置の詳細な正面図である。
【図9】 図1の上記部品実装装置の2台基板搬送保持装置の基板搬送動作の説明図である。
【図10】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部の原点復帰動作及び装着動作状態の説明図である。
【図11】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部の初期状態の説明図である。
【図12】 図1の上記部品実装装置の基板搬送保持装置のロック側のサポートレール部の原点復帰動作の説明図である。
【図13】 図1の上記部品実装装置の基板搬送保持装置の常時移動側のサポートレール部の原点復帰動作の説明図である。
【図14】 図1の上記部品実装装置の基板搬送保持装置の常時移動側のサポートレール部の基板幅寄せ動作の説明図である。
【図15】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部の基板搬送状態の説明図である。
【図16】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部の部品実装状態の説明図である。
【図17】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部のメンテナンス、サポートピン若しくはサポートプレート交換、又は、ノズル変更状態の説明図である。
【図18】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部の実装動作完了状態の説明図である。
【図19】 図1の上記部品実装装置の各基板搬送保持装置のサポートレール部の実装動作完了後の基板搬出状態の説明図である。
【図20】 図1の上記部品実装装置の各基板搬送保持装置のサポートレール部の基板搬入状態の説明図である。
【図21】 図1の上記部品実装装置の基板搬送保持装置のサポートレール部の基板搬入完了後に部品実装開始する状態の説明図である。
【図22】 図1の上記部品実装装置の第1基板搬送保持装置での基板搬送動作のタイミングチャートである。
【図23】 図1の上記部品実装装置の第2基板搬送保持装置での基板搬送動作のタイミングチャートである。
【図24】 図1の上記部品実装装置の基板搬送保持装置の図16の実装状態を示す概略右側面図である。
【図25】 図1の上記部品実装装置の基板搬送保持装置の図13の原点復帰状態を示す概略右側面図である。
【図26】 図1の上記部品実装装置の基板搬送保持装置の図17のメンテナンス状態を示す概略右側面図である。
【図27】 図1の上記部品実装装置の各基板搬送保持装置でのサポートレール部の原点復帰動作及び基板幅寄せ動作のタイミングチャートである。
【図28】 図1の上記部品実装装置の制御装置と各駆動装置及び各センサーとの接続関係を示すブロック図である。
【図29】 本発明の別の実施形態にかかる部品実装装置の平面図である。
【図30】 図29の上記部品実装装置の実装動作状態の平面図である。
【図31】 図29の上記部品実装装置の第1基板搬送保持装置での基板入れ替え動作状態の平面図である。
【図32】 図29の上記部品実装装置の第2基板搬送保持装置での基板入れ替え動作状態の平面図である。
【図33】 本発明のさらに別の実施形態にかかる部品実装装置の平面図である。
【図34】 本発明のさらに別の実施形態にかかる部品実装装置の基板搬送保持装置の変形例の斜視図である。
【図35】 従来の部品実装装置の平面図である。
【図36】 本発明のさらに別の実施形態にかかる部品実装装置の全体概略配置図である。
[0001]
(Technical field)
The present invention relates to a plate-like member conveying and holding apparatus and method for holding a loaded plate-like member and capable of carrying out the held plate-like member after completion of a predetermined operation such as printing, processing, and component mounting. In particular, the present invention uses a substrate on which a component is mounted as an example of a plate-like member, and a plate-like member carrying and holding device suitable as a substrate carrying and holding device that holds the substrate when the component is mounted on the substrate. The present invention relates to a working apparatus such as a component mounting apparatus.
[0002]
(Background technology)
In recent years, there are a wide variety of sizes of electronic circuit boards ranging from small types such as mobile phones to large-sized boards such as server computers, and it is required to produce them most efficiently and with the shortest tact. As a form of the mounting apparatus, a robot type mounting apparatus that moves a work head that sucks an electronic component using an XY robot and mounts the electronic component is becoming mainstream.
[0003]
Hereinafter, an example of a conventional electronic component mounting apparatus will be described with reference to FIG.
[0004]
In the figure, reference numerals 1201, 1202, and 1203 denote a component supply unit for taping components, 1204 denotes a component supply unit for a tray storage component, and 1205 and 1206 denote recognition cameras that capture an image of a suction posture at a work head before mounting electronic components. Is a nozzle station for storing a plurality of types of nozzles suitable for a plurality of types of electronic components, 1208 is a loader for carrying the electronic circuit board 1211 into the component mounting work area, and 1209 is support rails 1209a and 1209b for supporting the electronic circuit board 1212. The substrate transport holding device 1209 is configured such that one support rail 1209b extends to a position 1210 in accordance with the size of the electronic circuit board of the maximum size to be adapted. An unloader 1213 carries out the electronic circuit board 1211 from the component mounting work area.
[0005]
The operation of the conventional electronic component mounting machine will be described with reference to FIG. The electronic circuit board 1211 is supported by support rails 1209a and 1209b via a loader 1208. A work head (not shown) moves along a path indicated by A in FIG. 35 by an XY robot, and sucks an electronic component from the taping component supply unit 1201 by a component suction nozzle attached to the work head. After the work head is moved, the picking posture of the parts picked up by the recognition camera 1205 is measured, and after the position correction calculation, the picked up and recognized parts are being position-corrected on the electronic circuit board 1212 by the movement of the work head. Implemented. On the other hand, a component supply unit for electronic components is prepared as indicated by 1203 and 1204 also behind the component mounting work area of the mounting apparatus. An electronic component sucked from the taping component supply unit 1203 or the tray storage component 1204 is also imaged by the recognition camera 1206, and the suction position and orientation are recognized. After the position correction calculation, the sucked and recognized component is displayed on the electronic circuit board 1212. Mounted by nozzle. This path is indicated by B.
[0006]
In recent years, there are various types of electronic circuit boards from a small type to a large size, and the support rails 1209a and 1209b are designed in a size that can support up to the maximum size board as an electronic component mounting apparatus. For this reason, the support rails 1209a and 1209b are configured such that the support rail 1209a on the front side of the mounting apparatus is fixed and the rear support rail 1209b can be moved according to the board size. As a result, the rear component supply units 1203 and 1204 are installed further rearward of the rearmost position 1210 of the support rail 1209b. This is because in a small substrate, as indicated by the path B, the moving distance of the work head from the suction of electronic parts to the mounting through the recognition is increased, and the moving time becomes longer, which greatly reduces the mounting tact time. It is a hindrance. In order to reduce the mounting cost of electronic components, it is necessary to shorten the mounting tact time, but this mounting tact time needs to minimize the distance between these three steps of the electronic component adsorption process, the recognition process, and the mounting process. . In order to minimize the distance between these three processes, support pins 1209a and 1209b and support pins 1209a and 1209b are arranged below the support rails 1209a and 1209b according to the supplied electronic components, and support pins and support pins are arranged to support the electronic circuit board from below. Although there is a method of moving the support plate integrally, a mechanism for moving the support pin and the support plate is required, and the amount of movement of the support plate itself is small, so there is not much effect. In addition, moving the electronic circuit board during component mounting more than necessary is not a good method in consideration of mounting quality.
[0007]
Accordingly, an object of the present invention is to solve the above-described problem, and to move the plate-like member to a desired work position after the plate-like member is carried into the transport position regardless of the size of the plate-like member. It is possible to carry out the desired work efficiently, and after the desired work is completed, it can be moved to the transport position and then carried out, and the plate-like member can be carried in, held and carried out quickly and efficiently. It is an object of the present invention to provide a plate-like member conveying and holding apparatus and method thereof.
[0009]
(Disclosure of the Invention)
In order to achieve the above object, the present invention is configured as follows.
[0010]
According to the first aspect of the present invention, the first rail-shaped holding member and the second rail-shaped holding member, each of which is provided with a conveying member that conveys the plate-shaped member and can carry in and out the plate-shaped member, and
The first rail-shaped holding member and the second rail-shaped holding member are arranged extending in a direction perpendicular to the longitudinal direction of the first rail-shaped holding member, or the movement of the second rail-shaped holding member, or the first rail-shaped holding member and the first rail-shaped holding member. A ball screw shaft that translates the two-rail holding member;
A rotational drive device for rotationally driving the ball screw shaft;
A first nut attached to the first rail-shaped holding member so as to be relatively rotatable and screwed onto the screw shaft;
A second nut fixedly attached to the second rail-shaped holding member and screwed onto the screw shaft;
The operation of engaging the first nut of the first rail-shaped holding member to stop the rotation of the first nut and the engagement of the first rail-shaped holding member with the first nut are released. A selection lock mechanism that can alternatively select an operation that allows relative rotation of the first nut relative to the first rail-shaped holding member;
After the selective lock mechanism disengages the first rail-shaped holding member from the first nut and allows the first nut to rotate relative to the first rail-shaped holding member, the screw shaft is By rotating, only the second rail-shaped holding member moves to change the position of the second rail-shaped holding member with respect to the first rail-shaped holding member, while the selective locking mechanism is used for the first rail-shaped holding member. A plate-like member conveying and holding device in which the first rail-like holding member and the second rail-like holding member are integrally translated by rotating the screw shaft after engaging the first nut of the holding member. I will provide a.
[0011]
According to a second aspect of the present invention, there is provided the plate-like member conveying and holding device according to the first aspect, wherein the rotation driving device is one motor that drives the screw shaft to rotate forward and backward.
[0012]
According to the third aspect of the present invention, the second nut screwed to the screw shaft can be relatively rotated to the second rail-shaped holding member instead of being fixedly attached to the second rail-shaped holding member. And the selective locking mechanism engages with the second nut of the second rail-shaped holding member to stop the rotation of the second nut, and the second rail-shaped holding member The operation of releasing the engagement with the two nuts and allowing the rotation of the second nut can be selected alternatively.
After the selective lock mechanism disengages the first rail-shaped holding member from the first nut and allows the first nut to rotate relative to the first rail-shaped holding member, the screw shaft is Rotate to move only the second rail-shaped holding member relative to the first rail-shaped holding member, or the selective lock mechanism disengages the second rail-shaped holding member from the second nut. Then, after allowing the relative rotation of the second nut with respect to the second rail-shaped holding member, the screw shaft is rotated to move only the first rail-shaped holding member with respect to the second rail-shaped holding member. By changing the distance between the first rail-shaped holding member and the second rail-shaped holding member, the selective lock mechanism engages with the first nut of the first rail-shaped holding member. When The first rail-shaped holding member and the second rail-shaped holding member are integrally translated by rotating the screw shaft after engaging the second nut of the second rail-shaped holding member. A plate-like member conveying and holding device according to the first or second aspect is provided.
[0013]
According to the fourth aspect of the present invention, the two rail-shaped holding members are arranged so as to extend in a direction orthogonal to the axial direction of each rail-shaped holding member in parallel with the screw shaft, and guide the parallel movement of the two rail-shaped holding members. A plate-like member conveyance holding apparatus according to any one of the first to third aspects, further comprising a linear guide mechanism.
[0014]
According to the fifth aspect of the present invention, the selection lock mechanism is engaged with the first nut of the first rail-shaped holding member and then rotates the screw shaft, whereby the first rail-shaped holding member and the above-mentioned When the second rail-shaped holding member is integrally translated, first, the first rail-shaped holding member is positioned at a reference position, and then the selection lock mechanism is used for the first nut of the first rail-shaped holding member. By releasing the engagement with the first nut and allowing the relative rotation of the first nut with respect to the first rail-shaped holding member and then rotating the screw shaft, only the second rail-shaped holding member moves, Adjusting the distance between the first rail-shaped holding member and the second rail-shaped holding member by changing the position of the second rail-shaped holding member with respect to the first rail-shaped holding member at the reference position;
Then, after the selection lock mechanism is engaged with the first nut of the first rail-shaped holding member and then the screw shaft is rotated, the first rail-shaped holding member and the second rail-shaped holding member are In the state which hold | maintained the said adjusted space | interval, the conveyance holding apparatus of the plate-shaped member as described in any one of the 1st-4th aspect made to move in parallel is provided.
[0015]
According to the sixth aspect of the present invention, when the plate member is transported between the first rail-shaped holding member and the second rail-shaped holding member by the transport member, the plate-shaped member abuts on the plate-shaped member. A plate-like member conveyance holding device according to any one of the first to fifth aspects, further comprising a stopper for positioning and holding the plate-like member at the predetermined position.
[0016]
According to a seventh aspect of the present invention, the plate-like member is a substrate on which a component is to be mounted, and the plate-like member transport and holding device according to any one of the first to sixth aspects includes the component. In the component mounting apparatus to be mounted on the board, two units are used as board transport holding apparatuses for transporting and holding the board, and a component mounting work area for mounting the components in the component mounting apparatus is arranged along the direction of transporting the board. It is divided into one mounting area and a second mounting area, and the one plate-like member carrying and holding apparatus is used as the first substrate carrying and holding apparatus in the first mounting area, and the other one plate-like one A plate-like member carrying and holding device, wherein the member carrying and holding device is used as the second substrate carrying and holding device in the second mounting region, and each substrate carrying and holding device is driven independently in each mounting region. Provided is a component mounting apparatus.
[0017]
According to the eighth aspect of the present invention, the first component mounting position of the first substrate transport and holding device in the first mounting region and the second component mounting position of the second substrate transport and holding device in the second mounting region. There is provided a component mounting apparatus including the plate-like member conveying and holding device according to the seventh aspect, which are arranged in a staggered manner so as to be diagonally opposed to each other.
[0018]
According to the ninth aspect of the present invention, the first component supply unit for supplying the component to be mounted on the substrate is disposed at the edge of the first mounting region on the side opposite to the second mounting region. And arranging a first component recognition unit in the vicinity of the first component supply unit,
A second component supply unit for supplying the component to be mounted on the substrate is disposed at an edge of the second mounting region opposite to the first mounting region, and the second component supply unit includes: Provided is a component mounting apparatus including the plate-like member conveying and holding device according to the seventh or eighth aspect in which a second component recognition unit is arranged in the vicinity.
[0019]
According to a tenth aspect of the present invention, the first component supply unit, the first component recognition unit, the second component supply unit, and the second component recognition unit include the first mounting region and the second mounting region. A component mounting apparatus comprising the plate-like member conveying and holding device according to the ninth aspect, which is arranged substantially symmetrically with respect to the center of the entire component mounting work area.
[0020]
According to the eleventh aspect of the present invention, the first component mounting position of the first substrate transport and holding device in the first mounting region in consideration of the distance between the first component supply unit and the first component recognition unit. And the second component mounting position of the second substrate transport and holding device in the second mounting region is determined in consideration of the distance between the second component supply unit and the second component recognition unit. The component mounting apparatus provided with the conveyance holding apparatus of the plate-shaped member as described in the ninth or tenth aspect is provided.
[0021]
According to a twelfth aspect of the present invention, each of the first component supply unit and the second component supply unit supplies a component for storing a taping component in which the component to be mounted on the substrate is stored and held in a tape shape. A component mounting apparatus including the plate-like member conveyance holding apparatus according to any one of the ninth to eleventh aspects is provided.
[0022]
According to the thirteenth aspect of the present invention, the first component mounting position of the first substrate transport and holding device in the first mounting region and the second component mounting position of the second substrate transport and holding device in the second mounting region. Are arranged in a staggered manner so as to face each other diagonally, and a tray-type component in which the component to be mounted on the substrate is stored in a tray at a position other than the first component mounting position in the first mounting region. In addition to arranging the supply unit, another tray type component supply unit in which the component to be mounted on the substrate is accommodated in the tray is arranged at the second component mounting position in the second mounting region. Provided is a component mounting apparatus including the plate-like member conveyance holding apparatus according to any one of the seventh to twelfth aspects.
[0023]
According to the fourteenth aspect of the present invention, when the board is transported between the first rail-shaped holding member and the second rail-shaped holding member by the transport member, the board is brought into contact with the board by contacting the board. Any of the seventh to thirteenth aspects, wherein each of the board transfer and holding devices further includes a stopper for positioning and holding near the center of the entire component mounting work area including the one mounting area and the second mounting area. The component mounting apparatus provided with the conveyance holding apparatus of the plate-shaped member as described in the aspect is provided.
[0024]
According to the fifteenth aspect of the present invention, when the first substrate transport holding device and the second substrate transport holding device are positioned in a straight line, the substrate is separated from the first substrate transport holding device. There is provided a component mounting apparatus including the plate-like member conveyance holding device according to any one of the seventh to fourteenth aspects, which can be conveyed toward a second substrate conveyance holding device.
[0025]
According to a sixteenth aspect of the present invention, the apparatus further comprises a loader for loading the substrate into each substrate transfer holding device, and an unloader for unloading the substrate from each substrate transfer holding device, the first substrate transfer holding device, The second substrate transport and holding device according to any one of the seventh to fourteenth aspects, in which the substrate can be carried in from the loader and the substrate can be unloaded from the unloader. Provided is a component mounting apparatus including a plate-like member conveyance holding apparatus.
[0026]
According to a seventeenth aspect of the present invention, in the plate-like member transport and holding device comprising a first rail-like holding member and a second rail-like holding member capable of carrying in and carrying out the plate-like member, the first rail. When the ball screw shaft arranged extending in the direction orthogonal to the longitudinal direction of the second holding member and the second rail holding member is rotated, the first screw holding member and the second rail are screwed into the ball screw shaft and rotated. While the nuts respectively provided in the holding members are restricted from rotating, the first rail-like holding member and the second rail-like holding member are integrally translated to convey the plate-like member,
By releasing the restriction of the rotation of the nut of the rail-shaped holding member of either the first rail-shaped holding member or the second rail-shaped holding member, the ball screw shaft is rotated when the nut rotates the ball screw shaft. And the movement of the one rail-shaped holding member is restricted, and the rotation of the nut is the other rail-shaped holding member of the first rail-shaped holding member and the second rail-shaped holding member. When the other rail-shaped holding member that is restricted moves when the ball screw shaft rotates, only the other rail-shaped holding member moves in parallel with respect to the one rail-shaped holding member. Provided is a method for conveying and holding a plate-like member that adjusts the distance between the first rail-like holding member and the second rail-like holding member.
[0041]
(Best Mode for Carrying Out the Invention)
Before continuing the description of the present invention, the same parts are denoted by the same reference numerals in the accompanying drawings.
[0042]
As shown in FIG. 1 to FIG. 3, the component mounting apparatus including the plate member transport and holding device and method according to the first embodiment of the present invention is a board 2 on which components are mounted as an example of a plate member. (When referring to a board regardless of position, it is indicated by reference numeral 2, and a board at a specific position is indicated by reference numerals 2-0, 2-1, 2-2, 2-3). In this case, a description will be given of a case where the present invention is applied to a substrate carrying and holding apparatus and method for holding the substrate 2.
[0043]
Before describing the component mounting apparatus in detail, an outline will be described first.
[0044]
In the component mounting apparatus described above, in the component mounting work area of one component mounting apparatus, the two electronic circuit boards 2 are arranged in a staggered manner so as to be diagonally opposed to each other and can be mounted independently. ing. For this reason, two sets of work heads and their drive units, substrate transport and holding devices, recognition cameras and the like are arranged. In addition, the substrate transport holding device that holds the electronic circuit board 2 moves to a position close to the component supply unit in each mounting region to perform component mounting, and the substrate transport according to the width of the substrate 2 Adjustment of the holding device (board width adjustment) is based on the front edge in the front mounting area close to the worker in the component mounting work area divided into two, and in the rear mounting area far from the worker. Based on the edge on the back side. As a result, it is possible to shorten the mounting tact by minimizing the movement distance of the work head from component supply, component recognition, and component mounting. Further, after the substrate 2 carried into each substrate transport holding device is once positioned at the center, the substrate on the right substrate transport holding device in FIG. 2 is on the left, and the substrate on the left substrate transport holding device is on the right. It is possible to reduce the tact time by positioning to the position and shortening the mounting movement distance. Furthermore, by arranging the two substrates 2 and 2 in a staggered manner so as to face each other diagonally, it becomes possible to arrange the two tray supply parts in a staggered manner so as to face each other diagonally. There is no need to reduce the number, the tray supply unit and the recognition position can be located close to each other, and the mounting tact can be shortened. As described above, the mounting apparatus has various advantages.
[0045]
Next, the configuration of the component mounting apparatus according to the embodiment of the present invention will be described in detail with reference to FIGS. Moreover, the same code | symbol is attached | subjected in the same component in each figure.
[0046]
FIGS. 1 and 2 are an overall schematic perspective view and a plan view of the electronic component mounting apparatus according to the embodiment of the present invention, and the component mounting work area 200 of the mounting apparatus transports the plate-like member at the board transport position. The direction is divided into two parts, that is, a first mounting area 201 and a second mounting area 202 with a component conveyance path as a boundary. 1 and 2, reference numeral 1 denotes a component in the component mounting work area 200 that is arranged on the board carry-in side of the component mounting work area 200 and that is adjacent to the first mounting area 201 and the second mounting area 202. A loader 11 for bringing the electronic circuit board 2 into the transport path is disposed on the board unloading side of the component transport path in the component mounting work area 200, and the first mounting area 201 and the second mounting area 202 are It is an unloader that carries out the electronic circuit board 2 from the component conveyance path in the adjacent component mounting work area 200. In the electronic component mounting apparatus of the above embodiment, various components are provided point-symmetrically with respect to the center point 102 (see FIG. 10) of the component mounting work area 200 as follows.
[0047]
That is, 3 is a pair of support rail portions 21 and 22 for transporting and holding the electronic circuit board 2 carried from the loader 1 at the substrate transport position (reference numbers 21 and 22 when referring to the support rail portions regardless of the position). The support rail portion at a specific position is indicated by reference numerals 21-1, 21-2, 22-1 and 22-2.) 4 is a first mounting area 201. In FIG. 5, a plurality of, for example, 10 work heads that can replace and replace the component suction nozzles 10 for sucking and holding electronic components are mounted on the work head 4 in the first mounting area 201 in two directions orthogonal to each other in the first mounting area 201. An XY robot 7 positioned at a predetermined position in a certain XY direction is disposed in the vicinity of a component supply unit 8A described later in the first mounting area 201 and is suitable for a plurality of types of electronic components. A nozzle station to replace the nozzle 10 attached to the working head 4 as required accommodates a nozzle 10 of a plurality of types. 8A and 8B are respectively arranged at the end of the first mounting area 201 on the front side with respect to the worker, that is, on the front end with respect to the worker, and house the taping parts in which the parts to be mounted on the substrate 2 are stored and held in a tape shape. The component supply unit 8C is disposed in the vicinity of the component supply unit 8B in the first mounting area 201, and stores the component to be mounted on the substrate 2 in a tray shape. Reference numeral 9 denotes a recognition camera that is arranged on the side near the center of the component mounting work area in the vicinity of the component supply unit 8A in the first mounting area 201 and images the suction posture of the electronic component sucked by the nozzle 10 of the work head 4. . 3 is a two-dimensional camera of the recognition camera 9, and 9 b is a three-dimensional camera of the recognition camera 9.
[0048]
On the other hand, 13 is a second substrate transport and holding device including a pair of support rail portions 21 and 22 for transporting and holding the electronic circuit board 2 carried from the first substrate transport and holding device 3 in the first mounting area 201, and 14 is a second substrate transporting and holding device. A work head on which a plurality of, for example, ten component suction nozzles 20 for sucking and holding electronic components in the mounting area 202 are replaceable, and 15 is the work head 14 in the second mounting area 202 orthogonal to the second mounting area 202. The XY robot 17 for positioning at a predetermined position in the XY direction, which is the two directions, is disposed in the vicinity of a component supply unit 18A (to be described later) in the second mounting region 202, and a plurality of types of XY robots suitable for a plurality of types of electronic components. The nozzle station accommodates the nozzle 20 and replaces it with the nozzle 20 mounted on the work head 14 as necessary. Reference numerals 18A and 18B denote taping components which are respectively disposed at the back end with respect to the worker of the second mounting region 202, that is, the rear end portion with respect to the worker, and the components to be mounted on the substrate 2 are stored and held in a tape shape. A component supply unit 18C is disposed in the second mounting area 202 in the vicinity of the component supply unit 18B, and a component supply unit that stores a tray component in which a component to be mounted on the substrate 2 is stored and held in a tray shape. , 19 is a recognition camera that is arranged in the second mounting area 202 on the side near the center of the component mounting work area in the vicinity of the component supply unit 18A, and images the suction posture of the electronic component sucked by the nozzle 20 of the work head 14. is there. 3 is a two-dimensional camera of the recognition camera 19, and 19 b is a three-dimensional camera of the recognition camera 9.
[0049]
Furthermore, a first moving device including a ball screw shaft 35, a first nut 27, a second nut 48, a support rail portion moving motor 40, a selection lock mechanism 70, and the like, which will be described later, is provided. The substrate 2 held by the first substrate transport / holding device 3 in the first mounting region 201 in the direction crossing the transport direction of the substrate 2 in the first substrate transport / holding device 3. Is moved between a predetermined work, for example, a first work position for mounting components, for example, a first component mounting position. Further, a second moving device including a ball screw shaft 35, a first nut 27, a second nut 48, a support rail portion moving motor 40, a selection lock mechanism 70, and the like, which will be described later, is provided. The substrate 2 held by the second substrate transfer and holding device 13 in the direction of crossing the transfer direction of the substrate 2 and the substrate transfer position and the second mounting region 202 in the second substrate transfer and holding device 13. Are moved between a predetermined work, for example, a second work position for mounting components, for example, a second component mounting position.
[0050]
The XY robots 5 and 15 are configured as follows. Two Y-axis drive units 6a, 6a of the XY robot apparatus 6 are fixedly arranged at the front and rear edges in the board conveying direction of the component mounting work area 200 on the mounting apparatus base 16, and these two Y-axis drive parts Two X-axis drive units 6b and 6c are arranged so as to be independently movable in the Y-axis direction and capable of avoiding collisions across the 6a and 6a. Further, the X-axis drive unit 6b includes a first mounting region 201. The work head 4 moving inside is arranged so as to be movable in the X-axis direction, and the work head 14 moving inside the second mounting area 202 is arranged so as to be movable in the X-axis direction in the X-axis drive unit 6c. Yes. Therefore, the XY robot 5 includes two Y-axis drive units 6a and 6a fixed to the mounting apparatus base 16, and an X-axis drive unit 6b that can move in the Y-axis direction on the Y-axis drive units 6a and 6a. And the work head 4 that is movable in the X-axis direction in the X-axis drive unit 6b. The XY robot 15 includes two Y-axis drive units 6a and 6a fixed to the mounting apparatus base 16 and an X-axis drive unit 6c that can move in the Y-axis direction on the Y-axis drive units 6a and 6a. And a work head 14 that is movable in the X-axis direction in the X-axis drive unit 6c.
[0051]
In the above embodiment of the present invention, the structure of the first and second substrate transport and holding devices 3 and 13 including the front and rear support rail portions 21 and 22 has a characteristic. The first and second substrate transport and holding devices 3 and 13 have the same structure, except that the arrangement positions of the first and second substrate transport and holding devices 3 and 13 are the same in the component mounting work area 200. It is only point-symmetric with respect to the center point 102 of the. Therefore, the structure of each substrate transport and holding device will be described below with reference to FIGS.
[0052]
4 to 8, reference numerals 21 and 22 denote a pair of support rail portions that extend along the X direction and are each provided with a substrate transfer holding belt 500 to transfer and hold the electronic circuit board 2. The support rail 21 on the front side of the pair of support rails 21 and 22 is a reference rail, that is, a support rail on the reference side when the width between the support rails 21 and 22 is adjusted (width adjustment) according to the width size of the substrate 2. The support rail portion 22 on the rear side functions as a support rail portion on the moving side for moving in accordance with the width size of the substrate 2. 4 to 8, reference numeral 23 denotes a direction (Y direction) orthogonal to the longitudinal direction (X direction) of the support rail portions 21 and 22 in the vicinity of the left and right ends in FIG. The linear guide members 24 arranged so as to extend to the left side are respectively arranged at the lower ends of the left end column 21a and the column 21b near the right end of the front support rail 21 in FIG. A front slider 25 for linearly moving on the linear guide member 23 to guide the support rail portion 21 so that it can be translated along the Y direction is a left end column portion 22a of the rear support rail portion 22 in FIG. And the support rail portion 22 can be translated along the Y direction by linearly moving on each linear guide member 23. The rear slider 35 that guides to the direction of the longitudinal direction (X direction) of the support rail portions 21 and 22 (Y direction) is located in the vicinity of both left and right ends in FIGS. A ball screw shaft disposed above each linear guide member 23 so as to extend in the direction) and supported at both ends by each substrate transport device base 44 so as to be rotatable. It is the motor for a support rail part movement which carries out rotation drive. The linear guide member 23, the front slider 24, and the rear slider 25 constitute a linear guide mechanism. Further, as shown in FIG. 7, 27 is rotatably provided at each lower end of the support column 21 a at the left end of the support rail 21 and the support column 21 b near the right end via a bearing 47, and the ball screw shaft. There is a nut that is screwed to 35. The nut 27 is entirely covered with a sleeve 46 from the outside, rotates integrally with the sleeve 46 so as not to rotate relative to the sleeve 46, and is rotatably supported by the bearing 47 by the sleeve 46. A gear 28 is fixed to one end of the sleeve 46 in the axial direction. Reference numeral 30 denotes a cylinder for a selection lock mechanism that is provided in each of the support columns 21a and 21b of the support rail 21 and moves the piston rod up and down. A rack gear 29 that can be engaged with the gear 28 is fixed to the upper end of the piston rod of the selective lock mechanism cylinder 30. When the piston rod is raised and positioned at the upper end position, the rack gear 29 is While meshing with the gear 28 to stop the rotation of the nut 27, when the piston rod descends and is positioned at the lower end position, the pin 43 at the lower end of the piston rod penetrates the cylinder 30 downward and the hole 45 in the base 44 for the substrate transport apparatus. And the position of the support rail portion 21 is fixed so that the support rail portion 21 cannot be moved. In the hole 45 of the substrate transport device base 44, each pin 43 is inserted when the support rail portion 21 is located at the origin position P21 as an example of the reference position (the position of the support rail portion 21 indicated by a dotted line in FIG. 6). They are provided only where possible. Further, pulleys 92 and 91 are connected to the left and right ball screw shafts 35 and 35, respectively, and a belt 90 is wound around these pulleys 92 and 91. The left and right ball screw shafts 35 and 35 are synchronously rotated in the same direction via the belt 91 and the belt 90. When each ball screw shaft 35 rotates, the nut 27 that is rotatably supported by the bearing 47 and screwed to each ball screw shaft 35 also rotates. In such a state where the nut 27 is rotating, no force along the Y-axis direction acts on the front support rail portion 21, so the front support rail portion 21 does not move at all in the Y-axis direction. On the other hand, when the rack 30 is engaged with the gear 28 by driving the cylinder 30 and raising the piston rod, the rotation of the nut 27 via the gear 28 and the sleeve 46 is restricted. A force along the Y-axis direction acts on the nut 27 with respect to the rotation, and the front support rail portion 21 moves in the Y-axis direction. In this way, each gear 28, each rack gear 29, and each cylinder 30 constitute each selection lock mechanism 70. As a result, the front support rail portion 21 is parallel along the Y-axis direction when the rack gears 29, 29 are engaged with the gears 28, 28 by the left and right selective lock mechanisms 70, 70 to stop the rotation of the nuts 27, 27. On the other hand, the piston rod of the cylinder 30 is lowered and positioned at the lower end position by the selection lock mechanisms 70, 70, the pin 43 at the lower end of the piston rod penetrates the cylinder 30 downward, and the support rail portion 21 is moved to the origin position P21. When it is positioned, it meshes with the hole 45 of the substrate transport device base 44, the support rail portion 21 is made immovable at the origin position P21, the position is fixed, and the rack gears 29, 29 and the gears 28, 28 are meshed. When releasing and allowing rotation of nuts 27, 27, it does not move along the Y-axis direction. It is held. For this reason, when the width of the pair of support rail portions 21 and 22 is adjusted according to the width size of the substrate 2, the position is held without moving along the Y-axis direction by the selective lock mechanisms 70 and 70 of the support rail portion 21. Thus, the front support rail portion 21 can function as the support rail portion 21 on the reference side, that is, the lock side.
[0053]
On the other hand, as shown in FIG. 7, 48 is provided rotatably at the lower end portions of the left end column portion 22a of the rear support rail portion 22 and the column end portion 22b near the right end via bearings 49, and It is a nut that engages with the ball screw shaft 35. Each nut 48 is entirely covered with a sleeve 50 from the outside, rotates integrally with the sleeve 50 so as not to rotate relative to the sleeve 50, and is rotatably supported by the bearing 48 by the sleeve 50. A gear 51 is fixed to one end of each sleeve 50 in the axial direction. Since the gears 51 and 51 are fastened to the lower end portions of the left end column portion 22a and the right end column portion 22b of the rear support rail portion 22 by the brackets 52 and 52, respectively, the ball screw shafts 35 and 35 are When it rotates, it is guided by the linear guide members 23 and 23 and the sliders 24 and 24 and can be translated along the Y-axis direction.
[0054]
Reference numeral 99 extends along the Y-axis direction, and is provided along the longitudinal direction of each of the support rail portions 21 and 22 to synchronize the belt 500 for placing and transporting the substrate 2 via a pulley or the like. Then, a belt drive shaft 42 for driving in the front-rear direction is driven in the forward-reverse direction by driving the belt drive shaft 99 forward and reverse, thereby synchronizing the belt 500 for placing and transporting the substrate 2 in the front-rear direction. It is a belt drive motor for driving.
[0055]
Further, the right substrate transport apparatus base 44 includes a front limit position detection sensor 400 for detecting the front limit position of the front support rail portion 21 and a front origin position for detecting the origin position P21 of the front support rail portion 21. In order to prevent a collision between the detection sensor 401 and the front support rail portion 21 and the rear support rail portion 22, a dog 407 protruding from the column portion 22 b near the right end of the rear support rail portion 22 is detected. A collision avoidance sensor 406 for stopping the approaching operation of the rear support rail portion 22 relative to the front support rail portion 21 and a rear origin for detecting a home position P22 as an example of a reference position of the rear support rail portion 22 Position detection sensor 404, rear limit position detection sensor for detecting the rear limit position of the rear support rail 22 405, but are provided respectively. These sensors 400, 401, 406, 404, and 405 are all connected to the control device 1000 so that their detection results are input.
[0056]
The support rail portion 21 is provided with a substrate passage detection sensor 31 for detecting the passage of the electronic circuit board 2 at the right end, that is, the end on the loader 1 side, and a substrate stopper 32 for stopping the electronic circuit board 2 at a predetermined position. A board arrival detection sensor that is disposed at the left end, that is, the end of the unloader 11 and detects that the electronic circuit board 2 has arrived close to the predetermined position in the board transport direction from the loader 1 toward the unloader 11 33 is provided in the vicinity of the substrate stopper 32. As shown in FIG. 9, each of the substrate stopper driving cylinders 32D includes an upper end position detection sensor S32 for detecting the upper end position of the piston rod. The substrate stopper 32 is located at the raised position during the mounting operation and continues to contact the substrate 2.
[0057]
As shown in FIG. 9, the support plate driving cylinder 39 includes an upper limit position detection sensor S39U that detects the upper limit position of the piston rod, and a lower limit position detection sensor S39L that detects the lower limit position.
[0058]
Further, in order to mount the electronic component on the electronic circuit board 2 with high quality, the board 2 needs to be supported from below. Therefore, the substrate transporting and holding apparatus includes a support plate 38 that is as large as or larger than the largest substrate so that it can be lifted and lowered, and a necessary number of support pins 87 are set on the support plate 38 and supported by a support plate driving cylinder 39. The plate 38 is raised and the lower surface of the electronic circuit board 2 is supported by the support pins 87, and both side parts of the board 2 are sandwiched between the support rail parts 21 and 22 and held at predetermined positions.
[0059]
As shown in FIG. 28, each sensor and each driving device is connected to the control device 1000, and each driving device is driven and controlled based on a predetermined mounting program. That is, the control device 1000 includes at least the upper limit positions of the substrate passage detection sensors 31 (31-1, 31-2), the substrate arrival detection sensors 33 (33-1, 33-2), and the support plate driving cylinder 39. Detection sensor S39U, lower limit position detection sensor S39L of support plate driving cylinder 39, front limit position detection sensor 400, front origin position detection sensor 401, collision avoidance sensor 406, rear origin position detection sensor 404, rear limit position detection Sensor 405, recognition cameras 9, 19, XY robots 5, 15, work heads 4, 14, loader 1, unloader 11, support rail moving motor 40, belt driving motor 42, substrate stopper driving cylinder 32D, support Plate drive cylinder 39, selective lock mechanism Cylinder 30, information such as the size of the substrate on which the component is to be mounted, information such as the shape and height of the component, the position and mounting order on the substrate on which the component is to be mounted, the shape of the component suction nozzle, A database 1001 storing information related to the mounting operation, such as information on the substrate transport position of the support rail portion, and a calculation unit 1002 for performing a desired calculation are connected.
[0060]
The operation of the electronic component mounting apparatus according to the embodiment configured as described above will be described with reference to the operation explanatory diagrams of FIGS. 10 to 17 and the timing chart of FIG. The operation of the electronic component mounting apparatus is performed based on the control of the control apparatus 1000.
[0061]
FIG. 10 is a diagram showing the overall layout, and is a diagram showing the origin return operation and the mounting operation state of the support rail portions 21 and 22, and the component supply unit 8A, 8B, 18A and 18B, recognition cameras 9 and 19 for imaging the suction posture of the electronic component, work heads 4 and 14 having suction nozzles 10 and 20 having a shape suitable for the electronic component to be sucked (see FIG. 17), support. Substrate transfer devices 3 and 13 (see FIG. 18) having rail portions 21 and 22 are arranged point-symmetrically. As described above, the component mounting work area 200 is divided into two parts by a straight line passing through the center point 102 and along the board conveyance direction, as described above, and the first mounting area 201 (the lower half of the component mounting work area 200 in FIG. 10). And a second mounting area 202 (the upper half of the component mounting work area 200 in FIG. 10). The support rail portions 21 and 22, the substrate passage detection sensor 31, the substrate stopper 32, the substrate arrival detection sensor 33, and the support plate 38 are respectively in the first mounting area 201, the support rail portions 21-1 and 21-1, the substrate passage. The detection sensor 31-1, the substrate stopper 32-1, the substrate arrival detection sensor 33-1, and the support plate 38-1 are illustrated. In the second mounting region 202, the support rail portions 21-2 and 22-2 and the substrate passage detection are illustrated. The sensor 31-2, the substrate stopper 32-2, the substrate arrival detection sensor 33-2, and the support plate 38-2 are illustrated.
[0062]
In the first mounting region 201, the support rail portion 21-1 on the lock side is up to the origin position P21-1 indicated by the solid line on the lower right, and the support rail portion 22-1 on the movement side is the origin position P22- indicated by the solid line on the upper right. Move within the range up to 1. On the other hand, in the second mounting region 202, the lock-side support rail portion 21-2 is up to the origin position P21-2 indicated by the upper left solid line, and the movement-side support rail portion 22-2 is the origin position P22 indicated by the lower left solid line. Move within the range up to -2.
[0063]
Next, in FIG. 11, when the component mounting apparatus is powered on, the lock-side support rail portions 21-1 and 21-2 and the moving-side support rail portions 22-1 and 22-2 are obtained. Indicates no state.
[0064]
Next, in FIG. 12, after the component mounting apparatus is powered on, the lock-side support rail portions 21-1 and 21-2 move to the respective origin positions P <b> 21-1 and P <b> 21-2 at a low speed. After returning and being locked at the origin positions P21-1, P21-2, the support rail portions 22-1 and 22-2 on the moving side are directed toward the origin positions P22-1 and P22-2. It shows the state of moving at low speed.
[0065]
In other words, in FIG. 12, in each of the mounting regions 201 and 202, the support rail portion moving motor 40 is driven to rotate the ball screw shafts 35 and 35 synchronously, and the rack gears 29 and 29 are moved to the gears 28 and 28 by the selective lock mechanisms 70 and 70. 28, by restricting the rotation of the nuts 27, 27, the front side of the first mounting region 201, that is, the lower-right side lock-side support rail portion 21-1 and the second mounting region 202 after FIG. 10. Side, that is, the lock-side support rail portion 21-2 on the upper left side in FIG. 10 is located at the origin position (first mounting region 201) where the hole 45 of the base 44 for the substrate transport apparatus is provided as shown in FIGS. In FIG. 10, the lower right origin position P21-1 indicated by the solid line in FIG. 10, and the upper left origin position P21-2) indicated by the solid line in FIG. Moving at a low speed. The origin positions P21-1 and P21-2 of the lock-side support rails 21-1 and 21-2 are closest to the recognition cameras 9 and 19 and the component supply units 8A and 18A. That is, in the first mounting region 201, the lock-side support rail portion 21-1 and the movable-side support rail portion 22-1 move integrally at a low speed downward as indicated by the downward arrow in FIG. When the support rail portion 21-1 on the side is located at the origin position P21-1, the movement of both support rail portions 21-1 and 212-1 is stopped. In the second mounting region 202, the lock-side support rail portion 21-2 and the moving-side support rail portion 22-2 move integrally at a low speed upward as indicated by an upward arrow in FIG. When the support rail portion 21-2 on the side is located at the origin position P21-2, the movement of both the support rail portions 21-2 and 22-2 is stopped.
[0066]
Next, when the lock-side support rail portions 21-1 and 21-2 are completed to return to the origin, the lock-side support rail portions 21-1 and 21-2 cylinders 30 and 30 are driven, and the pins at the lower ends of the respective piston rods are driven. 43, 43 mesh with the holes 45, 45 of the bases 44, 44 for the substrate transport apparatus, and the support rail portions 21-1, 21-2 on the lock side are respectively locked to the origin positions P21-1, P21-2. . That is, after the lock-side support rail portions 21-1 and 21-2 move to the respective origin positions P21-1 and P21-2, the lock-side support rail portions 21-1 and 21-2 are selectively locked. The engagement between the rack gears 29, 29 and the gears 28, 28 is released by the mechanisms 70, 70 to allow the nuts 27, 27 to freely rotate, and the pin 43 at the lower end of the piston rod of the cylinder 30 for the selective lock mechanism is a substrate transfer device. It is inserted into the hole 45 of the base 44 for meshing, and the support rail portions 21-1 and 21-2 on the lock side are made immovable and their positions are fixed.
[0067]
Next, when the front-side origin position detection sensors 401 and 401 detect that the lock-side support rail portions 21-1 and 21-2 are positioned at the origin positions P21-1 and P21-2, respectively (in FIG. When (time limit) is switched from on to off), after the predetermined time is measured by the timer T6, the support rail unit moving motor 40 is reversely driven, and the support rail units 22-1 and 22-2 on the moving side have their respective origins. Movement toward the positions P22-1 and P22-2 starts at a low speed in the opposite direction to the above. That is, the support rail portions 22-1 and 22-2 on the moving side are initially supported at a low speed by moving the support rail portions 21-1 and 21-2 on the lock side toward the origin position side. After moving the lock-side support rail portions 21-1 and 21-2 at the origin positions P21-1 and P21-2, respectively, at a low speed integrally with the portions 21-1 and 21-2. When the support rail moving motor 40 is driven to rotate in the reverse direction and the ball screw shafts 35 and 35 are synchronously rotated in the reverse direction, the support rail portions 22-1 and 22-2 on the moving side are slow in the reverse direction. And the respective origin positions (in the first mounting area 201, the upper right origin position P22-1 indicated by the solid line in FIG. 10, and in the second mounting area 202, the lower left origin position P22 indicated by the solid line in FIG. -2) In moving.
[0068]
Next, in FIG. 13 and FIG. 25, when the moving side support rail portions 22-1 and 22-2 move to the maximum outer side, that is, when they reach the origin positions P22-1 and P22-2, the moving side support When the rear-side origin position detection sensors 404 and 404 detect that the rail portions 22-1 and 22-2 are positioned at the origin positions P22-1 and P22-2, respectively, the support rail portions 22-1 and 22-1 on the moving side are detected. The movement of 22-2 is stopped, and the origin return is completed. As a result, in FIG. 13, all of the lock-side support rail portions 21-1 and 21-2 and the movement-side support rail portions 22-1 and 22-2 are at their respective origin positions P21-1, P21-2 and P22. -1 and P22-2 are restored.
[0069]
Next, in FIG. 14, the support rail portions 21-1 and 21-2 on the lock side are fixed at the respective origin positions P21-1 and P21-2 in the same manner as in FIG. 22-1 and 22-2 are moved from the origin positions P22-1 and P22-2 to the support rails 21-1 and 21-2 on the lock side in accordance with the widths of the boards 2-1 and 2-2 on which components are to be mounted. The width adjustment between the support rail portions 21-1 and 212-1 and between the support rail portions 21-2 and 22-2 is completed. At this time, as for the movement amount of the support rail portions 22-1 and 22-2 on the moving side, the widths of the substrates 2-1 and 2-2 to be mounted next are stored in advance in the database 1001, and the information and The calculation unit 1002 calculates the amount of rotation of the support rail unit moving motor 40 based on information such as the amount of movement of the support rail units 22-1 and 22-2 on the moving side due to the rotation of the support rail unit motor 40. And the support rail unit moving motor 40 is rotationally driven based on the calculation result. Further, the above calculation can be performed in advance, and only the calculation result information can be stored in the database 1001, and the support rail unit moving motor 40 can be rotationally driven using this.
[0070]
Next, the width adjustment between the support rail portions 21-1 and 22-1 and between the support rail portions 21-2 and 22-2 is completed in accordance with the width of the boards 2-1 and 2-2 on which the components are to be mounted. Thereafter, as shown in FIG. 15, in the first substrate transport and holding device 3, after each rack gear 29 is engaged with each gear 28 by each selection lock mechanism 70, the ball screw shafts 35 and 35 are rotated, The support rail portions 21-1 and 22-1 on the moving side move in the same direction, that is, upward in FIG. Similarly, in the second substrate transport / holding device 13, after each rack gear 29 is engaged with each gear 28 by each selective lock mechanism 70, the ball screw shafts 35, 35 are rotated, whereby the support rail portions on the lock side and the moving side are supported. 21-2 and 22-2 are synchronously moved in the same direction, that is, downward in FIG. Then, the support rail portions 21-1 and 22-1 on the lock side and the moving side are moved to the position (transport position) where the left and right substrate transport holding devices 3, 13 are aligned in the center of the component mounting work area 200 of the mounting apparatus. And the support rail portions 21-2 and 22-2 on the lock side and the moving side move, the second substrate transfer holding device 13 waits for the substrate 2-1 from the first substrate transfer holding device 3, and waits for the first. The substrate transport / holding apparatus 3 waits for the loading of the substrate 2-0 from the loader 1.
[0071]
Next, as shown in FIGS. 16 and 24, the first substrate transport holding device 3 and the second substrate transport holding device 13 are driven under the control of the control device 1000, respectively. The operation of loading the substrate 2-1 into the two-substrate transport / holding device 13 is completed, and the loader 1 and the first substrate transport / holding device 3 are driven under the control of the control device 1000, respectively. After completing the operation of carrying the substrate 2-0 into the transport holding device 3, the support rail portions 21-1, 22-1 of the first substrate transport holding device 3 holding the substrate 2-0 move downward in FIG. As shown in FIG. 16, the support rails 21-2 and 22-2 of the second substrate transport and holding device 13 holding the substrate 2-1 move upward and move to the closest position of the recognition camera 9. 19 closest positions Each component mounting position as an example of a working position (locking side of the support rail unit 21-1,22-1 respective origin positions P21-1, position located P22-1) moves to. Here, after the work heads 4 and 14 pick up desired parts from the parts supply units 8A or 8B, 18A or 18B with the nozzles 10 and 20, respectively, and then pick up the suction postures with the recognition cameras 9 and 19, respectively. The suction postures of these components are corrected and calculated and mounted on the electronic circuit boards 2-0 and 2-1. In the above embodiment, the distance between the recognition cameras 9 and 19 and the electronic circuit boards 2-0 and 2-1 is close to the nearest position regardless of the size of the electronic circuit board 2, and the mounting operation is performed. Therefore, the moving distance of the work heads 4 and 14 can be shortened, and the mounting tact can be shortened.
[0072]
On the other hand, when performing maintenance of the mounting apparatus, in FIGS. 17 and 26, the lock-side support rail portions 21-1 and 21-2 and the moving-side support rail portions 22-1 and 22-2 are connected to the first and second portions. It has moved away from the component mounting position and moved from above the support plates 38-1 and 38-2 to a retracted position. As a result, various maintenance operations of the mounting apparatus, for example, the support pins 87 and the support plates 38-1 and 38-2 that support the electronic circuit board 2 from below are exchanged, and the nozzles 10 and 7 in the nozzle stations 7 and 17 are replaced. When the 20 is replaced, various maintenance operations can be easily performed without any trouble.
[0073]
Next, the substrate transport flow based on the control of the control device 1000 will be described in detail with reference to FIGS.
[0074]
18 to 21 show the flow of the electronic circuit board 2 during production (component mounting). At the stage of production, the lock-side support rail portions 21-1 and 21-2 and the moving-side support rail portions 22-1 and 22-2 are driven together in synchronization. 22 and 23 show time charts in the substrate transfer operation.
[0075]
FIG. 18 shows the positional relationship at the time when production of component mounting is completed. At this time, the electronic circuit board 2-0 to be produced next is prepared in the loader 1.
[0076]
First, as shown in the time charts of FIGS. 22 and 23, after the completion of component mounting production, each support plate 38-of each of the first and second substrate transport and holding devices 3 and 13 under the control of the control device 1000. 1, 38-2 starts to descend by driving the support plate driving cylinders 39, 39, and is detected by the lower limit position detection sensors S39L, S39L to be positioned at the respective lower limit positions. When detection signals from the lower limit position detection sensors S39L and S39L are input to the control device 1000, the substrate stopper driving cylinder 32D is driven in the first substrate transport and holding device 3, and the lock side of the first substrate transport and holding device 3 is driven. The stopper 32-1 provided on the support rail portion 21-1 and positioned at the raised position during the mounting operation is lowered, and the board 2 can be unloaded. In addition, the stopper 32-2 provided on the support rail portion 21-2 on the lock side of the second substrate transport holding device 13 and located at the raised position during the mounting operation is also lowered, and the substrate 2 can be unloaded. Become.
[0077]
Further, when detection signals from the lower limit position detection sensors S39L and S39L are input to the control device 1000, in addition to the substrate stopper driving cylinder 32D being driven by the first substrate transport holding device 3 as described above, In the one-substrate conveyance holding device 3, the support rail portion moving motor 40 is driven to rotate the ball screw shafts 35 and 35 synchronously, and the first support rail portions 21-1 and 22-1 are shown upward in FIG. The movement is started from the component mounting position toward the substrate transfer position in the central portion of the component mounting work area 200, and the support rail moving motor 40 is driven in the second substrate transfer holding device 13 to drive the ball screw shafts 35, 35. Rotates synchronously, and the support rail portions 21-2 and 22-2 are components from the second component mounting position as shown downward in FIG. It starts to move toward the substrate transfer position of the central portion of the instrumentation work area 200. At this time, in the second substrate transport and holding device 13, simultaneously with the drive of the support rail moving motor 40, the belt driving motor 42 is also driven to the right end portion side in the second substrate transport and holding device 13. The conveyance is started so that the positioned substrate 2-2 is moved toward the left end. When the board passage detection sensor 31-2 detects the board 2-2, it is determined whether or not the support rail moving motor 40 is driven. If it is driven, the driving of the belt driving motor 42 is stopped. To do. If not, the belt driving motor 42 may continue to be driven. This transports the substrate 2-2 only on the support rail portions 21-2 and 22-2 of the second substrate transport and holding device 13, and shortens the transport tact from the second substrate transport and hold device 13 to the unloader side. The purpose is to prevent the substrate 2-2 from protruding from the support rail portions 21-2 and 22-2 during the movement of the support rail portions 21-2 and 22-2. In addition, after the support rail unit moving motor 40 is driven, the driving of the belt driving motor 42 is temporarily stopped after a predetermined time has elapsed, that is, before the support rail units 21-2 and 22-2 are positioned at the board transfer position. In preparation for the next substrate transfer operation at the substrate transfer position.
[0078]
In FIG. 19, the support rail portions 21-1 and 21-2 of the first substrate transfer holding device 3 and the support rail portions 21-2 and 22-2 of the second substrate transfer holding device 13 are located at the center of the component mounting work area 200. The state which arrived at the board | substrate conveyance position of a part and has stopped in each board | substrate conveyance position is shown. In this state, the loader 1, the support rail portions 21-1, 22-1 of the first substrate transport and holding device 3, the support rail portions 21-2 and 22-2 of the second substrate transport and holding device 13, and the unloader 11 are It is lined up in a straight line. Here, the electronic circuit board 2 flows from the right to the left.
[0079]
Next, it is detected that the support rail portions 21-2 and 22-2 of the second substrate transport holding device 13 are located at the substrate transport position from the second component mounting position, in other words, the second substrate transport holding device 13. It is detected that the driving of the support rail moving motor 40 is stopped, the belt driving motor 42 is driven, and the board 2-2 produced (component mounting) by the second board transporting and holding device 13 is driven. The unloader 11 carries out from the two-substrate carrying and holding device 13. The completion of unloading is determined by detecting that the substrate 2-2 has passed and disappeared by the substrate passage detection sensor 31-2.
[0080]
When the control apparatus 1000 determines that the substrate unloading is completed, the support rail moving motor 40 of the first substrate transfer holding device 3 is driven, and the substrate 2-1 produced by the first substrate transfer holding device 3 is Unloading is started from the first substrate carrying and holding device 3 toward the second substrate carrying and holding device 13.
[0081]
Next, as shown in FIG. 20, when the substrate arrival detection sensor 33-2 detects arrival and passage of the substrate 2-1 in the second substrate conveyance holding device 13, the driving of the belt driving motor 42 is stopped. On the other hand, the substrate stopper driving cylinder 32D is driven to raise the substrate stopper 32-2, and the upper end position detection sensor S32 detects that the substrate stopper 32-2 has reached the upper limit position, and the substrate 2-1. Prepare to stop. On the other hand, the substrate 2-1 is transported from the right to the left by the driving of the belt driving motor 42. After the substrate arrival detection sensor 33-2 detects the arrival and passage of the substrate 2-1, the substrate stopper 32 is detected. -2 is delayed by the time required to rise to the upper limit position, and after a predetermined time (e.g., 0.1 ms) has been measured by the timer T4, the belt driving motor 42 is driven to rotate in the reverse direction. The belt 500 provided on the support rail portions 21-2 and 22-2 is caused to travel from the left to the right to transport the substrate 2-1 in the reverse direction. Then, the right edge of the substrate 2-1 contacts the substrate stopper 32-2, and the arrival of the substrate 2-1 is detected by the substrate arrival detection sensor 33-2. After the arrival detection, the driving of the belt driving motor 42 is stopped after a predetermined time is measured by the timer T3. The reason why the belt driving motor 42 is excessively driven is to ensure that the right edge of the substrate 2-1 comes into contact with the substrate stopper 32-2.
[0082]
On the other hand, after the board arrival detection sensor 33-2 detects arrival and passage of the board 2-1, the support rail part moving motor 40 is driven to support the support rail part 21-2 of the second board transport holding device 13. 22-2 starts to move from the board transfer position to the second component mounting position, that is, the direction of the recognition camera 19. That is, the conveyance of the board 2-1 on the support rail sections 21-2 and 22-2 and the movement of the support rail sections 21-2 and 22-2 themselves from the board conveyance position to the second component mounting position are performed simultaneously. Is called. Thus, both the arrival of the board 2-1 at the predetermined positions on the support rail portions 21-2 and 22-2 and the arrival of the support rail portions 21-2 and 22-2 at the second component mounting position are Then, the substrate transfer operation is completed. That is, when the reverse driving of the belt driving motor 42 is stopped and the driving of the support rail moving motor 40 is stopped, it is determined that the substrate transport operation is completed, and the support plate driving cylinder 39 is When driven, the support plate 38-2 rises and the substrate 2-2 is supported by the support plate 38-2.
[0083]
Some time is required between the substrate transfer operations. During this time, the nozzle 20 necessary for production is exchanged at the nozzle station 17 and the like. In general, since a plurality of nozzle replacements occur in the production of one electronic circuit board 2, the nozzle replacement operation is performed in order to always return to the original nozzle at the beginning of the production of the board 2.
[0084]
On the other hand, in the first substrate transport and holding device 1, when the substrate passage detection sensor 31-1 confirms the passage of the substrate 2-0 from the loader 1, the substrate stopper driving cylinder 32D is driven and the substrate stopper 32-1 is moved. Ascending to the upper limit position, the upper end position detection sensor S32 detects that the substrate stopper 32-2 has reached the upper limit position, and preparation for carrying in the substrate is completed. The rotational speed of 42 is reduced, and the impact when the substrate 2-0 comes into contact with the substrate stopper 32-1 is reduced. Then, the left edge of the substrate 2-0 comes into contact with the substrate stopper 32-1, and the substrate arrival detection sensor 33-1 detects and confirms that the substrate 2-0 has arrived. After the substrate arrival detection by the substrate arrival detection sensor 33-1, after the elapse of a predetermined time by the timer T1, the driving of the belt driving motor 42 is stopped. The reason why the belt driving motor 42 is driven in this way is to ensure that the left edge of the substrate 2-0 abuts against the substrate stopper 32-1.
[0085]
On the other hand, after the substrate passage detection sensor 31-1 confirms the passage of the substrate 2-0, the support rail unit moving motor 40 is driven to move from the substrate conveyance position toward the first component mounting position, that is, to the recognition camera 9. The support rail portions 21-1, 22-1 have started to move. Similar to the support rail portions 21-2 and 22-2 of the second substrate transfer holding device 13, the transfer of the substrate 2-0 and the movement of the support rail portions 21-1 and 22-1 are performed simultaneously. When the operation is completed, the substrate transfer operation is completed. That is, when the driving of the belt driving motor 42 is stopped and the driving of the support rail moving motor 40 is stopped, it is determined that the substrate transport operation is finished, and the support plate driving cylinder 39 is driven. As a result, the support plate 38-1 rises and the substrate 2-0 is supported by the support plate 38-1.
[0086]
While some time is required between the substrate transfer operations, the nozzle 10 necessary for production is exchanged at the nozzle station 7 and the like.
[0087]
FIG. 21 shows a state in which the board transfer operation is completed and the board production, that is, the component mounting operation starts, as in FIG.
[0088]
Thereafter, when the production is completed, as described in FIGS. 18 to 20, the support rail portions 21 and 22 of the respective board transfer holding devices 3 and 13 are moved from the first and second component mounting positions to the board transfer position. After each production completed board is carried out and the next board is carried in, the board is returned to the mounting state shown in FIG. 21 and the mounting operation is continued. In this way, component mounting on the board can be performed continuously.
[0089]
According to the above-described embodiment, in one component mounting apparatus, the first mounting area 201 and the second mounting area 202 are centered on the board loading path from the board carry-in side to the board carry-out side. In the first mounting area 201, the board 2-1 is carried into the first mounting area 201 by the loader 1 and is arranged at the end of the first mounting area 201 along the board loading path direction. The board 2-1 is positioned and held for the mounting operation at a portion closest to the recognition camera 9 as an example of the supply unit 8A and the first component recognition unit. Next, in the first mounting area 201, the component relative to at least a half area (the hatched area 2 </ b> A in FIG. 2) on the near side as viewed from the worker on the side near the first component supply unit 8 </ b> A of the board 2-1. Mounting is performed by sucking and holding components from the supply units 8A and 8B. Thereafter, after the completion of the mounting operation in the first mounting area 201, the board 2-1 is placed on the part closest to the recognition camera 19 as an example of the component supply unit 18A and the second component recognition unit in the second mounting area 202. -1 is positioned and held for mounting. Next, in the second mounting region 202, the component supply unit with respect to at least a half region (shaded region 2A in FIG. 2) on the back side when viewed from the worker on the side close to the component supply unit 18A of the board 2-1. Mounting is performed by sucking and holding components from 18A and 18B. Thereafter, after the mounting work in the second mounting area 202 is completed, the board 2-1 is unloaded from the second mounting area 202. As a result, the shortest distance between the substrate 2 positioned and held in each mounting area 201, 202, each component supply unit 8A, 18A, and each recognition camera 9, 19 is placed on the board carry-in path in the component mounting work area as in the past. Compared with the case where the substrate is held, the time can be significantly shortened, the mounting time can be shortened, and the productivity can be improved.
[0090]
That is, one component mounting work area 200 of one mounting apparatus is divided into two parts, a first mounting area 201 and a second mounting area 202, and two boards 2 are arranged to enable component mounting. In addition, the components are moved back and forth in each mounting region to perform component supply, recognition, and mounting at the mounting region edge near the component supply unit. For example, the substrate 2 in the first mounting region 201 is mounted at the front edge of the mounting region. The substrate 2 in the second mounting area 202 is positioned at the rear edge of the mounting area. Therefore, since the distance between the recognition cameras 9 and 19 and the electronic circuit boards 2-0 and 2-1 is close to the shortest distance regardless of the size of the electronic circuit board 2, the mounting operation is performed. The distance that the heads 4 and 14 move, that is, the distance between the three operation positions of component suction, recognition, and mounting can be connected at the shortest, mounting tact can be reduced, and production efficiency can be increased. In particular, when components are mounted on a substrate near the substrate transfer position, the distance between the three operation positions of component adsorption, recognition, and mounting has become longer with a small substrate, and the mounting tact has increased. In this embodiment, the mounting tact is greatly reduced because the board is positioned and mounted at a position where the distance between the three operation positions of component adsorption, recognition, and mounting is shortened, whether it is a small board or a large board. can do. In particular, in each mounting area, the component supply units 8A, 8B, 18A, and 18B are arranged on almost all edges along the board conveyance direction in the component mounting work area as shown in FIGS. The recognition cameras 9 and 19 are arranged on the center side of the component mounting work area 200, and the positioning position of the board 2 in each of the board transfer holding devices 3 and 13 is also arranged on the center side of the component mounting work area 200. Since the distance between the three operation positions of component adsorption, recognition, and mounting is made shorter, the mounting tact can be further improved. Further, by dividing one component mounting work area 200 into two, the moving distance of the work heads 4 and 14 can be reduced and the mounting tact can be improved. For example, in the mounting apparatus of the present embodiment, the time for mounting one component can be reduced to about half of the conventional time, and the mounting tact can be greatly improved.
[0091]
Further, in one component mounting apparatus, the two substrates 2 and 2 are arranged obliquely, that is, staggered in the component mounting work area 200, so that only one substrate 2 is arranged. In comparison, the mounting efficiency per unit area can be improved.
[0092]
Further, in one component mounting apparatus, the staggered arrangement of the substrates 2 and 2 can reduce the number of the component supply units already arranged in the area where the substrate 2 is not arranged, for example, without reducing the number of cassette supply units. For example, other component supply units such as tray type component supply units 8C and 18C that can store semiconductor chips and the like can be arranged in a staggered manner, and the component supply unit such as the tray type component supply unit is closer to the substrate. Therefore, the parts supply efficiency can be improved.
[0093]
Further, according to the above-described embodiment, when performing maintenance of the mounting apparatus, the lock-side support rail portions 21-1 and 21-2 and the moving-side support rail portions 22-1 and 22-2 are connected to the first and the first. The two parts are moved away from the mounting positions and moved from above the support plates 38-1 and 38-2 to the retracted positions. As a result, various maintenance operations of the mounting apparatus, for example, the support pins 87 and the support plates 38-1 and 38-2 that support the electronic circuit board 2 from below are exchanged, and the nozzles 10 and 7 in the nozzle stations 7 and 17 are replaced. When the 20 is replaced, various maintenance operations can be easily performed without any trouble. Further, the support plate 38 can be easily and collectively replaced, and the time for changing the position of the support pin 87 can be shortened.
[0094]
In addition, the first substrate transport and holding device 3 and the second substrate transport and holding device 13 are changed only in point symmetry, and when the substrate 2 is positioned in the second substrate transport and holding device 13, the substrate transport direction is changed. Once the substrate is placed on the second substrate transport and holding device 13 and the operation control and sensors and stoppers are arranged to move and position the substrate 2 in the direction opposite to the substrate transport direction, the first substrate The transport holding device 3 and the second substrate transport holding device 13 can have exactly the same structure, and can be shared.
[0095]
Further, by the locking operation and the unlocking operation of the selective lock mechanism 70, the Y-side moving operation in which the lock-side support rail portion 21 moves integrally with the moving-side support rail portion 22, and the lock-side support rail portion 21. Can be selected and a width adjustment operation in which only the support rail portion 22 on the moving side moves is selected, and a drive for board width adjustment for adjusting the distance between the support rail portions 21 and 22 according to the width of the board. The shaft and the drive shaft for transporting the substrate can be made common, the drive shaft can be reduced, and the drive mechanism for shifting the substrate and the drive mechanism for transporting the substrate can be simplified.
[0096]
Further, the lock operation and the unlock operation of the selective lock mechanisms 70 and 70 can be selectively performed by driving the selective lock mechanism cylinder 30. As a result, the support rail portion 21 on the lock side is moved to the moving side. It is possible to easily and surely select a Y-direction moving operation that moves integrally with the support rail portion 22 and a width adjustment operation in which the lock-side support rail portion 21 is fixed and only the moving-side support rail portion 22 moves. it can.
[0097]
In addition, since the one motor 40 is driven and the two ball screw shafts 35 and 35 are synchronously driven to move the support rail parts 21 and 22, the two ball screw shafts 35 and 35 are moved. It becomes easy to drive synchronously, and the support rail parts 21 and 22 can be translated more reliably.
[0098]
In addition, since the support plate 38 having the support pins 87 and the support rail portions 21 and 22 are separated and driven independently, the support plate 38 and the support rail portion are moved together. Compared to the case, the moving mechanism is lighter and simplified, so that the moving operation can be speeded up and inexpensive,
If each of the substrate transfer holding devices 3 and 13 is provided with a substrate positioning stopper 32 and a substrate arrival detection sensor 33 at the front and rear ends in the substrate transfer direction, the substrate 2 can be mounted at both the front and rear ends in the substrate transfer direction. Since each of the mounting regions 201 and 202 can be positioned, the board positioning position for positioning the board 2 is the size of the board 2, the distribution state of the positions where the parts are to be mounted, and the parts are sucked and held from the parts supply unit. It can be arbitrarily determined based on information such as the position distribution state.
[0099]
Further, if the component mounting by the first substrate transport and holding device and the component mounting by the second substrate transport and holding device are performed at the same time, the mounting operation can be performed more efficiently and the mounting tact can be improved. it can.
[0100]
Also, substrate transfer from the loader to the first substrate transfer holding device, substrate transfer from the first substrate transfer holding device to the second substrate transfer holding device, and transfer from the second substrate transfer holding device to the unloader. If the substrate transfer is performed simultaneously, the substrate transfer operation can be performed more efficiently, and the mounting tact can be improved.
[0101]
In addition, this invention is not limited to the said embodiment, It can implement with another various aspect.
[0102]
For example, in a single component mounting apparatus, the above-described staggered arrangement of the substrates 2 and 2 can reduce the number of, for example, cassette supply units of component supply units already arranged in an area where the substrate 2 is not arranged. For example, when other component supply units such as tray-type component supply units 8C and 18C capable of storing semiconductor chips are arranged in a staggered manner, the tray-type component supply unit 18C is indicated by a two-dot chain line in FIG. As described above, the automatic tray replacement device 300 may be provided so that the tray-type component supply unit 18C can be automatically replaced. Although not specifically shown, the tray-type component supply unit 8C is manually placed by an operator. However, like the tray-type component supply unit 18C, the tray-type component supply unit 8C includes an automatic tray changer 300. Thus, the tray type component supply unit 8C may be automatically replaced. In addition, an automatic component supply unit replacement device may be arranged for the other component supply units 8A, 8B, 18A, and 18B so that the component supply units 8A, 8B, 18A, and 18B are automatically replaced. Good. In this way, the actual production capacity, i.e., the actual supply performance, such as the fact that the mounting operation does not stop during component mounting due to the shortage of components in the component supply unit, the component supply is performed continuously, and the mounting speed is high. The production capacity can be improved. In addition, if other components of the component mounting device such as each component supply unit and its automatic replacement device are modularized, the component mounting device can be evolved by replacing it appropriately according to future improvements of the mounting device. It becomes possible. That is, the component mounting apparatus can be evolved by simply exchanging the modules of the respective constituent elements based on the basic elements. Also, if the components are modularized as described above, it is possible to cope with the switching of the types of boards and components by simply exchanging the modules of the respective components even when switching the types of substrates and components. Productivity per installation area, that is, area productivity can also be improved.
[0103]
In addition, the component mounting work area 200 of the mounting apparatus is divided into two parts, a first mounting area 201 and a second mounting area 202, along the component conveying direction. You may make it divide into 2 by a ratio.
[0104]
Further, when there is a possibility that the mounting operation in the first mounting area 201 and the mounting operation in the second mounting area 202 interfere with each other depending on the size of the mounting area or the size of the substrate, Mounting may be performed by an independent operation, and control may be performed by the control device 1000 so as to wait for one of the mounting operations in the interference area.
[0105]
Further, the component mounting position is not limited to the origin position of one support rail portion 21 close to the recognition cameras 9 and 19 and the component supply portions 8A and 18A, and can be set to an arbitrary position.
[0106]
Further, the position where the substrate 2 is positioned on the support rail portions 21 and 22 is not limited to any one of the end portions, and may be positioned using the substrate stopper 32 at the center portion. In the above embodiment, the substrate 2 is positioned at the left end in the first substrate transport and holding device 3, while the substrate 2 is positioned at the right end in the second substrate transport and holding device 13. Accordingly, the substrate 2 may be positioned at the right end in the first substrate transport and holding device 3, while the substrate 2 may be positioned at the left end in the second substrate transport and holding device 13. In this case, it is preferable to dispose at least the substrate stoppers 32 on both the left and right sides of each substrate transport / holding device as indicated by solid lines and chain lines in FIGS.
[0107]
Thus, the positioning position of the board 2 on the support rail parts 21 and 22 is the size of the board 2, the position of the part mounting the part on the board 2, the recognition cameras 9 and 19, and the component supply units 8 </ b> A and 8 </ b> B. , 18A, 18B, etc., and the position of the component supply unit that takes out the component most frequently among the component supply units 8A, 8B, 18A, 18B, etc., can be determined.
[0108]
Further, in each of the substrate transport holding devices 3 and 13, two ball screw shafts for moving the support rail portions 21 and 22 in parallel are arranged. For example, one ball screw shaft is arranged in the center and guide members are arranged on both sides. Thus, a simpler structure can be obtained.
[0109]
Further, as shown in FIGS. 29 to 32, a substrate transfer device 3 </ b> A that is fixed in the vicinity of the component supply unit 8 </ b> C of the first substrate transfer holding device 3 and that only transfers the substrate and cannot move in the Y-axis direction is disposed. In addition, a substrate transfer device 13A that is fixed in the vicinity of the component supply unit 18C of the second substrate transfer holding device 13 and that only transfers the substrate and cannot move in the Y-axis direction may be disposed. In this way, when the mounting operation in the first substrate transport and holding device 3 is completed, the mounting operation on the second substrate transport and holding device 13 side is not completed, as shown in FIG. If the first substrate transfer holding device 3 is adjacent to the substrate transfer device 3A, the substrate 2-1 held by the first substrate transfer holding device 3 is transferred to the substrate transfer device 3A and further transferred to the unloader 11. On the other hand, a new substrate 2-0 can be carried from the loader 1 into the first substrate transport / holding device 3. Further, if the mounting operation in the second substrate transport holding device 13 is completed, the second substrate transport is performed as shown in FIG. 32 even if the mounting operation on the first substrate transport holding device 3 side is not completed. If the holding device 13 is adjacent to the substrate transfer device 13A, the substrate 2-2 held by the second substrate transfer holding device 13 is carried out to the unloader 11, while the loader 1 passes through the substrate transfer device 13A. A new substrate 2-0 can be carried into the second substrate transport / holding device 13. Note that the loader 1 and the unloader 11 preferably move between positions indicated by a dotted line and a solid line in the Y-axis direction.
[0110]
Further, as shown in FIG. 33, the support rail portions 121-1, 122-1, 121-2, and 122-2 of the first substrate transport holding device 3 and the second substrate transport holding device 13 are connected to the component mounting work area 200. If the length is equal to or larger than the width dimension along the substrate transport direction, the substrate carry-in and carry-out operations are performed regardless of the mounting operation in the other substrate transport and holding device, as in the modified examples of FIGS. be able to.
[0111]
Further, the selection lock mechanism 70 is not limited to the one arranged on the one support rail portion 21 side, but also arranged on the other support rail portion 22 as shown in FIG. 22 may be a support rail portion on the lock side. In this way, for example, in the first mounting area 201, the support rail portion 22-1 on the near side is moved with the front support rail portion 21-1 fixed on the basis of the origin position on the near side. The substrate width adjustment is not limited to the one that adjusts the substrate width, and the support rail portion 22-1 on the back side is fixed with the origin position on the back side as a reference, and then the support rail portion 21-1 on the near side is moved to adjust the substrate width. Can also be done. Therefore, when the substrate transport direction is changed to the opposite direction to the above embodiment, the near side reference with the near side origin position as the reference position is used as the reference position of the support rail portions 21 and 22 as described above. It is possible to easily and reliably change to the back side reference based on the side origin position.
[0112]
The selection lock mechanism 70 is not limited to the above-described gear mechanism such as a rack gear and a gear, and a clutch mechanism or the like can also be employed.
[0113]
FIG. 36 shows a component mounting apparatus according to still another embodiment of the present invention. In this component mounting apparatus, a long board 2G (indicated by a slanted line in the figure) straddling the first and second board carrying and holding apparatuses 3 and 13 with the first and second board carrying and holding apparatuses 3 and 13 being adjacent to each other. And the component mounting is performed by synchronizing the first and second substrate transport and holding devices 3 and 13 and moving them in parallel to either the first mounting region 201 or the second mounting region 202. It is. In FIG. 36, the first and second substrate transport and holding devices 3 and 13 are synchronously moved in parallel in the first mounting area 201 and supported across the first and second substrate transport and holding devices 3 and 13. In this example, components are held and mounted on the long substrate 2G by the head 4 from the component supply units 8A and 8B. After the mounting, the first and second substrate transport and holding devices 3 and 13 are returned to the transport position on the central side and are carried out downstream. Alternatively, the first and second substrate transport and holding devices 3 and 13 are synchronously moved in parallel in the second mounting region 202 and supported long across the first and second substrate transport and holding devices 3 and 13. Components are held and mounted on the substrate 2G by the heads 14 from the component supply units 18A and 18B. After the mounting, the first and second substrate transport and holding devices 3 and 13 are returned to the transport position on the central side and are carried out downstream. Reference numeral 32G denotes a positioning substrate stopper when the long substrate 2G is carried into the first and second substrate transporting and holding devices 3 and 13. In this way, normally, as shown in FIG. 2, the first and second substrate transport and holding devices 3 and 13 are driven separately and independently, respectively in the first mounting area 201 and the second mounting area 202. In the case where a long board 2G straddling the first and second board transport and holding devices 3 and 13 is loaded and the parts are mounted, the parts are mounted by operating as described above. It is possible to mount the components by appropriately driving the first and second substrate transport and holding devices 3 and 13 for substrates of completely different sizes in the apparatus.
[0114]
It is to be noted that, by appropriately combining arbitrary embodiments of the various embodiments described above, the respective effects can be achieved.
[0115]
According to an aspect of the present invention, the selective lock mechanism disengages the first rail-shaped holding member from the first nut, and causes the first nut to rotate relative to the first rail-shaped holding member. After allowing, by rotating the screw shaft, only the second rail-shaped holding member moves to change the position of the second rail-shaped holding member with respect to the first rail-shaped holding member, while After the selective lock mechanism is engaged with the first nut of the first rail-shaped holding member, the screw shaft is rotated, whereby the first rail-shaped holding member and the second rail-shaped holding member are integrally parallel. Since it can move, the interval change for changing the position of the second rail-shaped holding member with respect to the first rail-shaped holding member can be performed only by performing the locking operation and the unlocking operation of the selective locking mechanism. And the first rail-like holding member and the second rail-like holding member can be selectively and reliably moved in a translational manner, and the plate-like member is carried into the transport position. Later, it can be moved to a desired work position and held, so that the desired work can be performed efficiently, and after the desired work is finished, it can be moved to the transport position and then unloaded, and the plate shape The loading, holding and unloading of members can be performed quickly and efficiently.
[0116]
According to another aspect of the present invention, one component mounting work area of one component mounting apparatus is divided into two parts, a first mounting area and a second mounting area, and two boards are arranged respectively. Components can be mounted and moved back and forth in each mounting area so that components can be supplied, recognized, and mounted on the edge of the mounting area close to the component supply unit. For example, a board in the first mounting area can be mounted If the substrate in the second mounting area is positioned at the front edge of the area at the rear edge of the mounting area, the distance between the recognition unit and the electronic circuit board is the shortest distance regardless of the size of the electronic circuit board. Since the mounting operation can be performed as close as possible to the position, the distance that the member that holds the component, such as the work head, moves, that is, the distance between the three operation positions of component suction, recognition, and mounting is connected in the shortest distance. Can reduce the mounting tact. , It is possible to increase the production efficiency. In particular, when components are mounted on the substrate near the substrate transfer position, the distance between the three operation positions of component adsorption, recognition, and mounting has become longer with a small substrate, and the mounting tact has increased. In the present invention, the mounting tact can be greatly reduced if the board is positioned and mounted at a position where the distance between the three operation positions of component adsorption, recognition, and mounting becomes short, whether it is a small board or a large board. Can do. In particular, in each mounting area, when the component supply unit is disposed on almost all edges along the board conveyance direction of the component mounting work area, the recognition unit is disposed on the center side of the component mounting work area. If the positioning position of the board in each board transporting and holding device is also arranged on the center side of the component mounting work area so that the distance between the three operation positions of component adsorption, recognition, and mounting becomes shorter, The mounting tact can be further improved. Further, by dividing one component mounting work area into two, the moving distance of the work head can be reduced and the mounting tact can be improved.
[0117]
Further, in a single component mounting apparatus, if two substrates are arranged obliquely, that is, staggered in the component mounting work area, the unit area is compared with the conventional example in which only one substrate is disposed. The mounting efficiency per hit can be improved.
[0118]
Further, in one component mounting apparatus, due to the staggered arrangement of the substrates, for example, semiconductor chips or the like without reducing the number of the cassette supply units, for example, the component supply units already arranged in the area where the substrates are not arranged. If other component supply units such as a tray-type component supply unit that can store the components are arranged in a staggered manner, the component supply unit such as the tray-type component supply unit can be arranged closer to the board, and the component supply Efficiency can be improved.
[0119]
Also, when performing maintenance of the mounting apparatus, the position where the lock-side rail-like holding member and the moving-side rail-like holding member are separated from the component mounting position and retracted from above the support plate for supporting each board from below. If it is moved to the various positions, various maintenance operations of the mounting device, for example, the support pins and the support plates that support the electronic circuit board 2 from below are replaced, or the nozzles for holding and holding the components in the nozzle station are replaced. When performing a maintenance, various maintenance operations can be easily performed without any trouble. In addition, the support plates can be easily and collectively replaced, and the time for changing the position of the support pins can be shortened.
[0120]
In addition, the first substrate transport holding device and the second substrate transport holding device change only the arrangement, and the second substrate transport holding device holds the substrate in the substrate transport direction when positioning the substrate in the second substrate transport holding device. If the operation control and sensors and stoppers are arranged so that the substrate is moved and positioned in the direction opposite to the substrate transfer direction after being placed on the apparatus, the first substrate transfer holding device and the second substrate transfer hold The apparatus can have the same structure and can be shared.
[0121]
In addition, if the selection lock mechanism is provided to perform the locking operation and the unlocking operation, the locking-side rail-like holding member moves integrally with the moving-side rail-like holding member; The rail-shaped holding member on the side is fixed and the width adjusting operation for moving only the rail-shaped holding member on the moving side can be selected, and the interval between the first and second rail-shaped holding members is adjusted according to the width of the board The drive shaft for substrate width adjustment and the drive shaft for substrate transfer for making the drive shaft common can be reduced, the drive shaft can be reduced, and the drive mechanism for substrate width adjustment and the drive mechanism for substrate transfer Can be simplified.
[0122]
In addition, if one motor is driven to rotate the two ball screw shafts synchronously to move the first and second rail-shaped holding members, the two ball screw shafts are driven synchronously. It becomes easy and the 1st and 2nd rail-shaped holding member can be translated more reliably.
[0123]
Further, if the support plate having the support pins and the first and second rail-like holding members are separated and driven independently, the support plate and the first and second rail-like holding members are integrated. Compared with the case of moving it automatically, the moving mechanism is lighter and simplified, so that the moving operation can be speeded up and inexpensive,
If each substrate transport holding device is provided with a substrate positioning stopper and a substrate arrival detection sensor at the front and rear ends in the substrate transport direction, the substrate can be positioned at either the front or rear end in the substrate transport direction. In each mounting area, the board positioning position for positioning the board is arbitrary based on information such as the size of the board, the distribution state of the position where the component should be mounted, the distribution state of the position where the component is sucked and held from the component supply unit, etc. Can be determined.
[0124]
Further, if the component mounting by the first substrate transport and holding device and the component mounting by the second substrate transport and holding device are performed at the same time, the mounting operation can be performed more efficiently and the mounting tact can be improved. it can.
[0125]
Also, substrate transfer from the loader to the first substrate transfer holding device, substrate transfer from the first substrate transfer holding device to the second substrate transfer holding device, and transfer from the second substrate transfer holding device to the unloader. If the substrate transfer is performed simultaneously, the substrate transfer operation can be performed more efficiently, and the mounting tact can be improved.
[0126]
According to another aspect of the present invention, at the plate member transport position of the working device, two plate member transport and holding devices, that is, a first plate member transport and holding device and a second plate member transport and holding device. The plate-like members to be carried out are carried in or out while being adjacent to each other, and after carrying in, the plate-like members are respectively held and moved to the respective work positions to independently carry out the prescribed work. Can do. Therefore, the loading and unloading of the plate member can be performed at the plate member conveyance position, the work for the plate member can be performed at the work position, and each operation can be performed at the optimum position. The efficiency can be increased, and there is no portion that can be used only for the plate-like member conveying operation and cannot be used for the working operation, and the entire work device installation area can be effectively used.
[0127]
Although the present invention has been fully described in connection with preferred embodiments with reference to the accompanying drawings, various variations and modifications will be apparent to those skilled in the art. Such changes and modifications are to be understood as being included therein, so long as they do not depart from the scope of the present invention according to the appended claims.
[Brief description of the drawings]
These and other objects and features of the present invention will become apparent from the above description taken in conjunction with the preferred embodiments thereof with reference to the accompanying drawings.
FIG. 1 is an overall schematic perspective view of a component mounting apparatus having a substrate carrying and holding apparatus according to an embodiment of the present invention.
2 is an overall schematic layout diagram of the component mounting apparatus of FIG. 1;
3 is a detailed plan view of the entire component mounting apparatus of FIG. 1;
4 is a detailed plan view of the substrate transport and holding device of FIG. 1. FIG.
FIG. 5 is a detailed right side view of the substrate transport and holding device of FIG. 1;
6 is a perspective view of the substrate transport and holding device of FIG. 1. FIG.
7 is a detailed enlarged right side view of a selection lock mechanism of the substrate transport / holding apparatus of FIG. 1. FIG.
8 is a detailed front view of the substrate transport and holding device of FIG. 1;
FIG. 9 is an explanatory diagram of a board transfer operation of the two board transfer holding device of the component mounting apparatus of FIG. 1;
10 is an explanatory diagram of an origin return operation and a mounting operation state of a support rail portion of a board conveyance holding device of the component mounting apparatus of FIG. 1;
FIG. 11 is an explanatory diagram of an initial state of a support rail portion of the board conveyance holding device of the component mounting apparatus of FIG. 1;
12 is an explanatory diagram of an origin return operation of a support rail portion on the lock side of the board conveyance holding device of the component mounting apparatus of FIG.
FIG. 13 is an explanatory diagram of the origin return operation of the support rail portion on the constantly moving side of the board carrying / holding device of the component mounting apparatus of FIG. 1;
14 is an explanatory diagram of a board width-shifting operation of the support rail portion on the constantly moving side of the board carrying / holding device of the component mounting apparatus of FIG. 1;
15 is an explanatory diagram of a board conveyance state of a support rail portion of a board conveyance holding device of the component mounting apparatus of FIG. 1;
FIG. 16 is an explanatory diagram of a component mounting state of a support rail portion of the board conveyance holding device of the component mounting apparatus of FIG. 1;
17 is an explanatory diagram of maintenance of a support rail portion of the board conveyance holding device of the component mounting apparatus of FIG. 1, replacement of a support pin or a support plate, or a nozzle change state.
18 is an explanatory diagram of a mounting operation completion state of the support rail portion of the board conveyance holding device of the component mounting apparatus of FIG. 1;
FIG. 19 is an explanatory diagram of a board unloading state after the mounting operation of the support rail portion of each board carrying and holding device of the component mounting apparatus of FIG. 1 is completed.
20 is an explanatory diagram of a board loading state of a support rail portion of each board carrying / holding device of the component mounting apparatus of FIG. 1;
FIG. 21 is an explanatory diagram of a state in which component mounting is started after completion of board loading of the support rail portion of the board transport holding device of the component mounting apparatus in FIG. 1;
FIG. 22 is a timing chart of a board transfer operation in the first board transfer holding device of the component mounting apparatus of FIG. 1;
FIG. 23 is a timing chart of the board transfer operation in the second board transfer holding device of the component mounting apparatus of FIG. 1;
24 is a schematic right side view showing the mounting state of FIG. 16 of the board carrying and holding device of the component mounting apparatus of FIG. 1;
25 is a schematic right side view showing the origin return state of FIG. 13 of the board carrying and holding device of the component mounting apparatus of FIG. 1;
26 is a schematic right side view showing the maintenance state of FIG. 17 of the board carrying and holding device of the component mounting apparatus of FIG. 1;
FIG. 27 is a timing chart of the origin return operation and the board width adjusting operation of the support rail portion in each board carrying and holding device of the component mounting apparatus of FIG. 1;
FIG. 28 is a block diagram showing a connection relationship between the control device of the component mounting apparatus of FIG. 1, each drive device, and each sensor.
FIG. 29 is a plan view of a component mounting apparatus according to another embodiment of the present invention.
30 is a plan view of a mounting operation state of the component mounting apparatus of FIG. 29. FIG.
FIG. 31 is a plan view of a substrate replacement operation state in the first substrate transport / holding device of the component mounting apparatus of FIG. 29;
32 is a plan view of a substrate replacement operation state in the second substrate transport and holding device of the component mounting apparatus of FIG. 29. FIG.
FIG. 33 is a plan view of a component mounting apparatus according to still another embodiment of the present invention.
FIG. 34 is a perspective view of a modified example of the board carrying and holding device of the component mounting apparatus according to yet another embodiment of the present invention.
FIG. 35 is a plan view of a conventional component mounting apparatus.
FIG. 36 is an overall schematic arrangement view of a component mounting apparatus according to still another embodiment of the present invention.

Claims (17)

板状部材(2)を搬送する搬送部材(500)をそれぞれ備えて上記板状部材を搬入及び搬出可能及び保持可能な第1レール状保持部材(21)及び第2レール状保持部材(22)と、
上記第1レール状保持部材及び第2レール状保持部材の長手方向に直交する方向に延在して配置され、上記第2レール状保持部材の移動、又は、上記第1レール状保持部材及び第2レール状保持部材を平行移動させるボールネジ軸(35)と、
上記ボールネジ軸を回転駆動する回転駆動装置(40)と、
上記第1レール状保持部材に相対回転可能に取り付けられかつ上記ネジ軸に螺合する第1ナット(27)と、
上記第2レール状保持部材に固定的に取り付けられかつ上記ネジ軸に螺合する第2ナット(48)と、
上記第1レール状保持部材の上記第1ナットに係合して上記第1ナットの回転を停止させる動作と、上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容する動作とを択一的に選択可能な選択ロック機構(70)とを備え、
上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転することにより、上記第2レール状保持部材のみが移動して、上記第1レール状保持部材に対する上記第2レール状保持部材の位置を変更する一方、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動する板状部材の搬送保持装置。
A first rail-shaped holding member (21) and a second rail-shaped holding member (22) each having a conveying member (500) for conveying the plate-shaped member (2) and capable of loading and unloading the plate-shaped member. When,
The first rail-shaped holding member and the second rail-shaped holding member are arranged extending in a direction perpendicular to the longitudinal direction of the first rail-shaped holding member, or the movement of the second rail-shaped holding member, or the first rail-shaped holding member and the first rail-shaped holding member. A ball screw shaft (35) for moving the two-rail holding member in parallel;
A rotational drive device (40) for rotationally driving the ball screw shaft;
A first nut (27) attached to the first rail-shaped holding member so as to be relatively rotatable and screwed onto the screw shaft;
A second nut (48) fixedly attached to the second rail-shaped holding member and screwed onto the screw shaft;
The operation of engaging the first nut of the first rail-shaped holding member to stop the rotation of the first nut and the engagement of the first rail-shaped holding member with the first nut are released. A selection lock mechanism (70) that can alternatively select an operation that allows relative rotation of the first nut with respect to the first rail-shaped holding member;
After the selective lock mechanism disengages the first rail-shaped holding member from the first nut and allows the first nut to rotate relative to the first rail-shaped holding member, the screw shaft is By rotating, only the second rail-shaped holding member moves to change the position of the second rail-shaped holding member with respect to the first rail-shaped holding member, while the selective locking mechanism is used for the first rail-shaped holding member. A plate-like member conveying and holding device in which the first rail-like holding member and the second rail-like holding member are integrally translated by rotating the screw shaft after engaging the first nut of the holding member. .
上記回転駆動装置は、上記ネジ軸を正逆回転駆動する1個のモータである請求項1に記載の板状部材の搬送保持装置。  The plate-like member conveyance holding device according to claim 1, wherein the rotation driving device is a single motor that drives the screw shaft to rotate forward and backward. 上記ネジ軸に螺合する上記第2ナット(48)が、上記第2レール状保持部材に固定的に取り付けられる代わりに、上記第2レール状保持部材に相対回転可能に取り付けられるとともに、上記選択ロック機構(70)は、上記第2レール状保持部材の上記第2ナットに係合して上記第2ナットの回転を停止させる動作と、上記第2レール状保持部材の上記第2ナットとの係合を解除して上記第2ナットの回転を許容する動作とを択一的に選択可能とし、
上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転させて上記第1レール状保持部材に対して上記第2レール状保持部材のみ移動させるか、又は、上記選択ロック機構が上記第2レール状保持部材の上記第2ナットとの係合を解除して上記第2ナットの上記第2レール状保持部材に対する相対回転を許容させたのち、上記ネジ軸を回転させて上記第2レール状保持部材に対して上記第1レール状保持部材のみ移動させることにより、上記第1レール状保持部材と上記第2レール状保持部材との間の間隔寸法を変更する一方、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合するとともに上記第2レール状保持部材の上記第2ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動するようにした請求項1に記載の板状部材の搬送保持装置。
Instead of being fixedly attached to the second rail-shaped holding member, the second nut (48) screwed to the screw shaft is attached to the second rail-shaped holding member so as to be relatively rotatable, and the selection The locking mechanism (70) includes an operation of engaging with the second nut of the second rail-shaped holding member to stop the rotation of the second nut, and the second nut of the second rail-shaped holding member. The operation of releasing the engagement and allowing the rotation of the second nut can alternatively be selected,
After the selective lock mechanism disengages the first rail-shaped holding member from the first nut and allows the first nut to rotate relative to the first rail-shaped holding member, the screw shaft is Rotate to move only the second rail-shaped holding member relative to the first rail-shaped holding member, or the selective lock mechanism disengages the second rail-shaped holding member from the second nut. Then, after allowing the relative rotation of the second nut with respect to the second rail-shaped holding member, the screw shaft is rotated to move only the first rail-shaped holding member with respect to the second rail-shaped holding member. By changing the distance between the first rail-shaped holding member and the second rail-shaped holding member, the selective lock mechanism engages with the first nut of the first rail-shaped holding member. When The first rail-shaped holding member and the second rail-shaped holding member are integrally translated by rotating the screw shaft after engaging the second nut of the second rail-shaped holding member. The conveying and holding device for a plate-like member according to claim 1.
上記ネジ軸と平行に上記各レール状保持部材の軸方向に直交する方向に延在して配置され上記2本のレール状保持部材の平行移動を案内する直線ガイド機構(23,24,25)をさらに備えるようにした請求項1〜3いずれかに記載の板状部材の搬送保持装置。  A linear guide mechanism (23, 24, 25) that extends in a direction perpendicular to the axial direction of each rail-like holding member in parallel with the screw shaft and guides the parallel movement of the two rail-like holding members. The plate-like member conveyance holding apparatus according to any one of claims 1 to 3, further comprising: 上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が一体的に平行移動することにより、まず、上記第1レール状保持部材を基準位置に位置決めしたのち、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットとの係合を解除して上記第1ナットの上記第1レール状保持部材に対する相対回転を許容させたのち上記ネジ軸を回転することにより、上記第2レール状保持部材のみが移動して、上記基準位置の上記第1レール状保持部材に対する上記第2レール状保持部材の位置を変更して上記第1レール状保持部材と上記第2レール状保持部材との間の間隔を調整し、
その後、上記選択ロック機構が上記第1レール状保持部材の上記第1ナットに係合したのち上記ネジ軸を回転することにより、上記第1レール状保持部材及び上記第2レール状保持部材が、上記調整された間隔を保持した状態で、一体的に平行移動するようにした請求項1〜3いずれかに記載の板状部材の搬送保持装置。
After the selective lock mechanism is engaged with the first nut of the first rail-shaped holding member, the screw shaft is rotated, whereby the first rail-shaped holding member and the second rail-shaped holding member are integrated. By moving in parallel, the first rail-shaped holding member is first positioned at a reference position, and then the selective lock mechanism releases the engagement of the first rail-shaped holding member with the first nut. By allowing the nut to rotate relative to the first rail-shaped holding member and then rotating the screw shaft, only the second rail-shaped holding member moves, and the first rail-shaped holding at the reference position is performed. Adjusting the distance between the first rail-shaped holding member and the second rail-shaped holding member by changing the position of the second rail-shaped holding member relative to the member;
Then, after the selective locking mechanism is engaged with the first nut of the first rail-shaped holding member and then the screw shaft is rotated, the first rail-shaped holding member and the second rail-shaped holding member are 4. The plate-like member conveying and holding device according to claim 1, wherein the plate member is translated in an integrated manner while maintaining the adjusted interval.
上記板状部材を上記搬送部材で上記第1レール状保持部材と上記第2レール状保持部材との間で搬送するとき上記板状部材に当接して上記板状部材を上記所定位置に位置決め保持するストッパー(32)をさらに備えるようにした請求項1〜3のいずれかに記載の板状部材の搬送保持装置。  When the plate-shaped member is conveyed between the first rail-shaped holding member and the second rail-shaped holding member by the conveying member, the plate-shaped member is brought into contact with the plate-shaped member and positioned and held at the predetermined position. The conveyance holding apparatus of the plate-shaped member in any one of Claims 1-3 which was further provided with the stopper (32) to perform. 上記板状部材は、部品を実装すべき基板であり、請求項1〜3のいずれかに記載の上記板状部材の搬送保持装置は、上記部品を上記基板に実装する部品実装装置内において上記基板を搬送保持する基板搬送保持装置として2台使用され、上記部品実装装置内の部品実装を行う部品実装作業領域(200)を上記基板を搬送する方向沿いに第1実装領域(201)と第2実装領域(202)とに分割し、上記1台の板状部材の搬送保持装置を上記第1実装領域内の第1基板搬送保持装置として使用するとともに、他の1台の板状部材の搬送保持装置を上記第2実装領域内の第2基板搬送保持装置として使用し、各実装領域内で各基板搬送保持装置を独立的に駆動するようにした板状部材の搬送保持装置を備えた部品実装装置。  The said plate-shaped member is a board | substrate which should mount components, The conveyance holding apparatus of the said plate-shaped member in any one of Claims 1-3 is the said in the component mounting apparatus which mounts the said components on the said board | substrate. Two board transfer and holding devices that transfer and hold a board are used, and a component mounting work area (200) for mounting components in the component mounting apparatus is divided into a first mounting area (201) and a first mounting area along the direction of transferring the board. Divided into two mounting regions (202), and the one plate-like member carrying and holding device is used as the first substrate carrying and holding device in the first mounting region, and the other one plate-like member is used. A plate-like member carrying and holding device is provided that uses the carrying and holding device as the second substrate carrying and holding device in the second mounting area, and independently drives each substrate carrying and holding device in each mounting area. Component mounting equipment. 上記第1実装領域の上記第1基板搬送保持装置の第1部品実装位置と、上記第2実装領域の上記第2基板搬送保持装置の第2部品実装位置とが斜めに互いに対向するように千鳥状に配置された、請求項7に記載の板状部材の搬送保持装置を備えた部品実装装置。  A staggered manner such that the first component mounting position of the first substrate transport and holding device in the first mounting region and the second component mounting position of the second substrate transport and holding device in the second mounting region are diagonally opposed to each other. The component mounting apparatus provided with the conveyance holding apparatus of the plate-shaped member of Claim 7 arrange | positioned in the shape. 上記第1実装領域の上記第2実装領域とは反対側の端縁部に、上記基板に実装すべき上記部品が供給される第1部品供給部(8A,8B)を配置するとともに、上記第1部品供給部の近傍に第1部品認識部(9)を配置するとともに、
上記第2実装領域の上記第1実装領域とは反対側の端縁部に、上記基板に実装すべき上記部品が供給される第2部品供給部(18A,18B)を配置するとともに、上記第2部品供給部の近傍に第2部品認識部(19)を配置するようにした請求項8に記載の板状部材の搬送保持装置を備えた部品実装装置。
A first component supply unit (8A, 8B) for supplying the component to be mounted on the substrate is disposed at an edge of the first mounting region opposite to the second mounting region. A first component recognition unit (9) is disposed in the vicinity of the one component supply unit, and
A second component supply unit (18A, 18B) for supplying the component to be mounted on the substrate is disposed at an edge of the second mounting region opposite to the first mounting region. 9. The component mounting apparatus comprising the plate-like member conveying and holding device according to claim 8, wherein the second component recognition unit (19) is arranged in the vicinity of the two component supply unit.
上記第1部品供給部、上記第1部品認識部、上記第2部品供給部、上記第2部品認識部が上記第1実装領域と上記第2実装領域とを併せた上記部品実装作業領域の全体の中心に対して大略点対称配置されている請求項9に記載の板状部材の搬送保持装置を備えた部品実装装置。  The first component supply unit, the first component recognition unit, the second component supply unit, and the second component recognition unit combine the first mounting region and the second mounting region, and the entire component mounting work region. The component mounting apparatus provided with the conveyance holding apparatus of the plate-shaped member of Claim 9 arrange | positioned substantially point-symmetrically with respect to the center of. 上記第1部品供給部と上記第1部品認識部との距離を考慮して、上記第1実装領域の上記第1基板搬送保持装置の第1部品実装位置を決定するとともに、上記第2部品供給部と上記第2部品認識部との距離を考慮して、上記第2実装領域の上記第2基板搬送保持装置の第2部品実装位置を決定するようにした請求項9に記載の板状部材の搬送保持装置を備えた部品実装装置。  In consideration of the distance between the first component supply unit and the first component recognition unit, the first component mounting position of the first substrate transport and holding device in the first mounting region is determined, and the second component supply is performed. The plate-shaped member according to claim 9, wherein the second component mounting position of the second substrate transport and holding device in the second mounting region is determined in consideration of the distance between the second component recognition unit and the second component recognition unit. Component mounting apparatus equipped with a transfer holding device. 上記第1部品供給部及び上記第2部品供給部のそれぞれは、上記基板に実装すべき上記部品をテープ状に収納保持されたテーピング部品を収納する部品供給部である請求項9に記載の板状部材の搬送保持装置を備えた部品実装装置。  10. The plate according to claim 9, wherein each of the first component supply unit and the second component supply unit is a component supply unit that stores a taping component in which the component to be mounted on the substrate is stored and held in a tape shape. Component mounting apparatus provided with a conveying member holding device. 上記第1実装領域の上記第1基板搬送保持装置の第1部品実装位置と、上記第2実装領域の上記第2基板搬送保持装置の第2部品実装位置とが斜めに対向するように千鳥状に配置されるとともに、上記第1実装領域の上記第1部品実装位置以外の位置に、トレーに上記基板に実装すべき上記部品が収納されたトレー式部品供給部(8C)を配置するとともに、上記第2実装領域の上記第2部品実装位置に、トレーに上記基板に実装すべき上記部品が収納された別のトレー式部品供給部(18C)が配置されるようにした、請求項7に記載の板状部材の搬送保持装置を備えた部品実装装置。  The first component mounting position of the first substrate transport and holding device in the first mounting area and the second component mounting position of the second substrate transport and holding device in the second mounting area are staggered so as to be diagonally opposed. And a tray-type component supply unit (8C) in which the component to be mounted on the substrate is placed on a tray at a position other than the first component mounting position in the first mounting region. The tray-type component supply unit (18C) in which the component to be mounted on the board is stored in the tray is disposed at the second component mounting position in the second mounting region. The component mounting apparatus provided with the conveyance holding apparatus of the plate-shaped member of description. 上記基板を上記搬送部材で上記第1レール状保持部材と上記第2レール状保持部材との間で搬送するとき上記基板に当接して上記基板を上記第1実装領域と上記第2実装領域とを併せた上記部品実装作業領域の全体の中心付近に位置決め保持するストッパー(32)を、上記各基板搬送保持装置がさらに備えるようにした、請求項7に記載の板状部材の搬送保持装置を備えた部品実装装置。  When the board is transported between the first rail-shaped holding member and the second rail-shaped holding member by the transport member, the board is brought into contact with the board and the board is placed in the first mounting area and the second mounting area. The plate-like member carrying and holding device according to claim 7, wherein each of the board carrying and holding devices further includes a stopper (32) that is positioned and held near the center of the entire component mounting work area. Provided component mounting device. 上記第1基板搬送保持装置と上記第2基板搬送保持装置とが一直線状に隣接させる位置に位置したとき、上記基板が上記第1基板搬送保持装置から上記第2基板搬送保持装置に向けて搬送可能な請求項7に記載の板状部材の搬送保持装置を備えた部品実装装置。  When the first substrate transport and holding device and the second substrate transport and hold device are positioned in a straight line, the substrate is transported from the first substrate transport and holding device toward the second substrate transport and holding device. The component mounting apparatus provided with the conveyance holding apparatus of the plate-shaped member of Claim 7 possible. 各基板搬送保持装置に上記基板を搬入するローダー(1)と、各基板搬送保持装置から上記基板を搬出するアンローダー(11)とをさらに備え、上記第1基板搬送保持装置と上記第2基板搬送保持装置とは、それぞれ独立して、上記ローダーから上記基板の搬入及び上記アンローダーに対する上記基板の搬出動作が行えるようにした、請求項7に記載の板状部材の搬送保持装置を備えた部品実装装置。  A loader (1) for carrying the substrate into each substrate carrying and holding device; and an unloader (11) for carrying out the substrate from each substrate carrying and holding device, the first substrate carrying and holding device and the second substrate. The plate-like member carrying and holding device according to claim 7, wherein the carrying and holding device can carry out the loading of the substrate from the loader and the unloading operation of the substrate with respect to the unloader independently of each other. Component mounting equipment. 板状部材(2)を搬入及び搬出可能及び保持可能な第1レール状保持部材(21)及び第2レール状保持部材(22)とを備える板状部材搬送保持装置(3,13)において、上記第1レール状保持部材及び第2レール状保持部材の長手方向に直交する方向に延在して配置されたボールネジ軸(35)の回転時に、該ボールネジ軸に螺合しかつ上記第1レール状保持部材及び第2レール状保持部材にそれぞれ備えられたたナット(27,48)が回転を規制されることにより、上記第1レール状保持部材及び第2レール状保持部材が一体的に平行移動して上記板状部材を搬送する一方、
上記第1レール状保持部材と上記第2レール状保持部材とのいずれか一方のレール状保持部材の上記ナットの回転の規制を解除することにより、当該ナットが上記ボールネジ軸の回転時に上記ボールネジ軸とともに回転して、上記一方のレール状保持部材の移動が規制され、上記第1レール状保持部材と上記第2レール状保持部材とのいずれか他方のレール状保持部材であって上記ナットの回転が規制されている上記他方のレール状保持部材が上記ボールネジ軸の回転時に移動することにより、上記一方のレール状保持部材に対して、上記他方のレール状保持部材のみが平行移動して、上記第1レール状保持部材と上記第2レール状保持部材との間隔を調整する板状部材の搬送保持方法。
In the plate-like member transport and holding device (3, 13) including the first rail-like holding member (21) and the second rail-like holding member (22) capable of carrying in and out and holding the plate-like member (2). When the ball screw shaft (35) arranged extending in a direction perpendicular to the longitudinal direction of the first rail-shaped holding member and the second rail-shaped holding member is rotated, the ball screw shaft is screwed into the first rail-shaped holding member and the first rail When the nuts (27, 48) respectively provided in the cylindrical holding member and the second rail-shaped holding member are restricted from rotating, the first rail-shaped holding member and the second rail-shaped holding member are integrally parallel. While moving and conveying the plate-like member,
By releasing the restriction of the rotation of the nut of one of the rail-shaped holding members of the first rail-shaped holding member and the second rail-shaped holding member, the ball screw shaft is rotated when the nut rotates the ball screw shaft. And the movement of the one rail-shaped holding member is restricted, and the rotation of the nut is the other rail-shaped holding member of the first rail-shaped holding member and the second rail-shaped holding member. When the other rail-shaped holding member that is regulated moves when the ball screw shaft rotates, only the other rail-shaped holding member moves in parallel with respect to the one rail-shaped holding member. A method for conveying and holding a plate-like member, wherein the distance between the first rail-like holding member and the second rail-like holding member is adjusted.
JP2001528446A 1999-05-21 2000-05-19 Plate member conveying and holding apparatus and method, and component mounting apparatus Expired - Fee Related JP4523217B2 (en)

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